Opinion polling for the 2017 Portuguese local elections

{{Multiple issues|{{more citations needed|date=October 2021}}{{update|date=June 2020}}}}

In the run up to the 2017 Portuguese local elections, various organisations carried out opinion polling to gauge voting intention in several municipalities across Portugal. Results of such polls are displayed in this article. The date range for these opinion polls are from the previous local elections, held on 29 September 2013, to the day the next elections were held, on 1 October 2017.

Polling

=Alcobaça=

class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|CDS – People's Party}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| PSD ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| CDS ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="10" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| {{Party shading/PSD}}\| 44.0 {{font\|size=75%\|font=Verdana\|text=4}} \| 21.6 {{font\|size=75%\|font=Verdana\|text=2}} \| 15.3 {{font\|size=75%\|font=Verdana\|text=1}} \| 7.6 {{font\|size=75%\|font=Verdana\|text=0}} \| 3.0 {{font\|size=75%\|font=Verdana\|text=0}} \| 8.6 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\|22.4
colspan="10" style="background:#A0A0A0"\|
align="center" \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcyMy4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzM6ImZyZXF1ZW5jaWFzX2FsY29iYWNhX2pvcm5hbF9lX2VyYyI7fQ==/frequencias_alcobaca_jornal_e_erc IPOM] Seat projection \| align="center" \| 20–21 Sep 2017 \| 714 \| align="center" {{Party shading/PSD}}\|44.4 4 \| align="center" \| 20.4 1 / 2 \| align="center" \| 14.7 1 \| align="center" \| 10.2 0 / 1 \| align="center" \| 2.6 – \| align="center" \| 7.6 – \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\| 24.0
colspan="10" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| {{Party shading/PSD}}\| 36.1 {{font\|size=75%\|font=Verdana\|text=3}} \| 19.8 {{font\|size=75%\|font=Verdana\|text=2}} \| 17.5 {{font\|size=75%\|font=Verdana\|text=2}} \| 12.0 {{font\|size=75%\|font=Verdana\|text=1}} \| 2.1 {{font\|size=75%\|font=Verdana\|text=0}} \| 12.5 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\|16.3
colspan="10" style="background:#A0A0A0"\|

=Aveiro=

class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:#777777;"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| PSD CDS PPM ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| IND ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="10" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| {{Party shading/PSD}}\| 48.5 {{font\|size=75%\|font=Verdana\|text=6}} \| 31.0 {{font\|size=75%\|font=Verdana\|text=3}} \| {{N/A}} \| 6.8 {{font\|size=75%\|font=Verdana\|text=0}} \| 4.0 {{font\|size=75%\|font=Verdana\|text=0}} \| 9.7 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\|17.5
colspan="10" style="background:#A0A0A0"\|
align="center" \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcxOC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzA6InJlbGF0b3Jpby1yZXN1bHRhZG9zXzE3LWF2ZWlybyI7fQ==/relatorio-resultados_17-aveiro UA-CIMAD] Seat projection \| align="center" \| 14–20 Sep 2017 \| 500 \| align="center" {{Party shading/PSD}}\|54.4 6 / 7 \| align="center" \| 12.7 2 / 3 \| {{N/A}} \| align="center" \| 2.6 – \| align="center" \| 3.1 – \| align="center" \| 27.2 – \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\| 41.7
colspan="10" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| {{Party shading/PSD}}\| 48.6 {{font\|size=75%\|font=Verdana\|text=5}} \| 24.4 {{font\|size=75%\|font=Verdana\|text=3}} \| 10.1 {{font\|size=75%\|font=Verdana\|text=1}} \| 4.0 {{font\|size=75%\|font=Verdana\|text=0}} \| 3.7 {{font\|size=75%\|font=Verdana\|text=0}} \| 9.2 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\|24.2
colspan="10" style="background:#A0A0A0"\|

=Braga=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| PSD
CDS
PPM

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;"| IND

! class="unsortable" style="width:35px;"| BE

! class="unsortable" style="width:35px;" rowspan="2"| {{abbr|O|Other}}

! class="unsortable" style="width:30px;" rowspan="2"| Lead

class="unsortable" style="color:inherit;background:{{party color|Social Democratic Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Socialist Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Unitary Democratic Coalition}};"|

! class="unsortable" style="color:inherit;background:#777777;"|

! class="unsortable" style="color:inherit;background:{{party color|Left Bloc (Portugal)}};"|

colspan="10" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election]

| data-sort-value="2019-10-06"| 1 Oct 2017

| {{N/A}}

| {{Party shading/PSD}}| 52.1
{{font|size=75%|font=Verdana|text=7}}

| 27.9
{{font|size=75%|font=Verdana|text=3}}

| 9.6
{{font|size=75%|font=Verdana|text=1}}

| {{N/A}}

| 4.8
{{font|size=75%|font=Verdana|text=0}}

| 5.6
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"|24.2

colspan="10" style="background:#A0A0A0"|

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcyMS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTc6ImZyZXF1ZW5jaWFzLWJyYWdhIjt9/frequencias-braga IPOM]

| align="center" | 18–19 Sep 2017

| 748

| align="center" {{Party shading/PSD}}|52.5

| align="center" | 27.3

| align="center" | 8.1

| {{N/A}}

| align="center" | 5.9

| align="center" | 6.2

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"| 25.2

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY5Ni4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzY6ImVzdHVkby1hdXRhcnF1aWNhczE3LWNvbmNicmFnYS1zZXQxNyI7fQ==/estudo-autarquicas17-concbraga-set17 Eurosondagem]
Seat projection

| align="center" | 10–13 Sep 2017

| 711

| align="center" {{Party shading/PSD}}|50.0
6 / 7

| align="center" | 27.7
3

| align="center" | 10.0
1

| {{N/A}}

| align="center" | 6.0
0 / 1

| align="center" | 6.3
–

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"| 22.3

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY5OS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mzc6InJlbGF0b3Jpby1zaW50ZXNlLXNvbmRhZ2VtLWJyYWdhLTIwMTciO30=/relatorio-sintese-sondagem-braga-2017 UCP–CESOP]
Seat projection

| align="center" | 10–13 Sep 2017

| 848

| align="center" {{Party shading/PSD}}|46.0
5 / 7

| align="center" | 33.0
4 / 5

| align="center" | 7.0
0 / 1

| {{N/A}}

| align="center" | 6.0
0 / 1

| align="center" | 8.0
–

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"| 13.0

colspan="10" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election]

| data-sort-value="2019-10-06"| 29 Sep 2013

| {{N/A}}

| {{Party shading/PSD}}| 46.7
{{font|size=75%|font=Verdana|text=6}}

| 32.8
{{font|size=75%|font=Verdana|text=4}}

| 8.8
{{font|size=75%|font=Verdana|text=1}}

| 5.3
{{font|size=75%|font=Verdana|text=0}}

| {{N/A}}

| 6.4
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"|13.9

colspan="10" style="background:#A0A0A0"|

=Batalha=

class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|CDS – People's Party}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| PSD ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| CDS ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="9" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| {{Party shading/PSD}}\| 53.8 {{font\|size=75%\|font=Verdana\|text=5}} \| 20.0 {{font\|size=75%\|font=Verdana\|text=1}} \| 12.0 {{font\|size=75%\|font=Verdana\|text=1}} \| 3.6 {{font\|size=75%\|font=Verdana\|text=0}} \| 10.6 \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\|33.8
colspan="9" style="background:#A0A0A0"\|
align="center" \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcyNC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzI6ImZyZXF1ZW5jaWFzX2JhdGFsaGFfam9ybmFsX2VfZXJjIjt9/frequencias_batalha_jornal_e_erc IPOM] Seat projection \| align="center" \| 21–22 Sep 2017 \| 658 \| align="center" {{Party shading/PSD}}\|54.2 5 \| align="center" \| 17.9 1 \| align="center" \| 12.8 1 \| align="center" \| 2.8 – \| align="center" \| 12.3 – \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\| 36.3
colspan="9" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| {{Party shading/PSD}}\| 55.2 {{font\|size=75%\|font=Verdana\|text=5}} \| 15.7 {{font\|size=75%\|font=Verdana\|text=1}} \| 11.3 {{font\|size=75%\|font=Verdana\|text=1}} \| 4.0 {{font\|size=75%\|font=Verdana\|text=0}} \| 13.7 \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\|39.5
colspan="9" style="background:#A0A0A0"\|

=Chaves=

class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:#777777;"\| ! class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|CDS – People's Party}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| PSD ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| IND ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;"\| CDS ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="11" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| 35.0 {{font\|size=75%\|font=Verdana\|text=3}} \| {{Party shading/PS}}\| 51.4 {{font\|size=75%\|font=Verdana\|text=4}} \| {{N/A}} \| 5.7 {{font\|size=75%\|font=Verdana\|text=0}} \| 2.4 {{font\|size=75%\|font=Verdana\|text=0}} \| 1.3 {{font\|size=75%\|font=Verdana\|text=0}} \| 4.3 \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\|16.4
colspan="11" style="background:#A0A0A0"\|
align="center" \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY4NC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjQ6ImVzdHVkby1hdXRhcnF1aWNvLWNoYXZlcyI7fQ==/estudo-autarquico-chaves IPOM] \| align="center" \| 10–12 Jul 2017 \| 714 \| align="center" {{Party shading/PSD}}\|53.2 \| align="center" \| 34.3 \| {{N/A}} \| align="center" \| 6.6 \| align="center" \| 2.5 \| align="center" \| 0.6 \| align="center" \| 3.0 \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\| 24.0
colspan="11" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| {{Party shading/PSD}}\| 39.4 {{font\|size=75%\|font=Verdana\|text=3}} \| 29.7 {{font\|size=75%\|font=Verdana\|text=3}} \| 15.0 {{font\|size=75%\|font=Verdana\|text=1}} \| 6.2 {{font\|size=75%\|font=Verdana\|text=0}} \| 3.2 {{font\|size=75%\|font=Verdana\|text=0}} \| {{N/A}} \| 6.5 \| style="background:{{party color\|Social Democratic Party (Portugal)}}; color:white;"\|9.7
colspan="11" style="background:#A0A0A0"\|

=Coimbra=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| PSD
CDS
PPM
MPT

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;"| CpC

! class="unsortable" style="width:35px;"| CDS

! class="unsortable" style="width:35px;"| SC

! class="unsortable" style="width:35px;" rowspan="2"| {{abbr|O|Other}}

! class="unsortable" style="width:30px;" rowspan="2"| Lead

class="unsortable" style="color:inherit;background:{{party color|Socialist Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Social Democratic Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Unitary Democratic Coalition}};"|

! class="unsortable" style="color:inherit;background:#777777;"|

! class="unsortable" style="color:inherit;background:{{party color|CDS – People's Party}};"|

! class="unsortable" style="color:inherit;background:#777777;"|

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election]

| data-sort-value="2019-10-06"| 1 Oct 2017

| {{N/A}}

| {{Party shading/PS}}| 35.5
{{font|size=75%|font=Verdana|text=5}}

| 26.6
{{font|size=75%|font=Verdana|text=3}}

| 8.3
{{font|size=75%|font=Verdana|text=1}}

| 7.0
{{font|size=75%|font=Verdana|text=0}}

| align="center" | {{font|size=75%|font=Verdana|text=w.PSD}}

| 16.1
{{font|size=75%|font=Verdana|text=2}}

| 6.6
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|8.9

colspan="11" style="background:#A0A0A0"|

style="background:#EAFFEA"|

| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzc0NC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTY6InByb2plY2FvLWNvaW1icmEiO30=/projecao-coimbra UCP–CESOP]

| data-sort-value="2019-10-06"| 1 Oct 2017

| 5,960

| {{Party shading/PS}}| 32.0–
36.0
{{font|size=75%|font=Verdana|text=4 / 5}}

| 26.0–
29.0
{{font|size=75%|font=Verdana|text=2 / 3}}

| 7.0–
9.0
{{font|size=75%|font=Verdana|text=1}}

| 8.0–
10.0
{{font|size=75%|font=Verdana|text=1}}

| align="center" | {{font|size=75%|font=Verdana|text=w.PSD}}

| 16.0–
19.0
{{font|size=75%|font=Verdana|text=2}}

| –

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|6.0–
7.0

style="background:#EAFFEA"|

| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzc1MS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTg6InJlc3VsdGFkb3MtY29pbWJyYSI7fQ==/resultados-coimbra Intercampus]

| data-sort-value="2019-10-06"| 1 Oct 2017

| 3,276

| {{Party shading/PS}}| 37.0–
42.0
{{font|size=75%|font=Verdana|text=5 / 6}}

| 27.6–
31.6
{{font|size=75%|font=Verdana|text=3 / 4}}

| 5.7–
8.7
{{font|size=75%|font=Verdana|text=0 / 1}}

| 5.2–
8.2
{{font|size=75%|font=Verdana|text=0 / 1}}

| align="center" | {{font|size=75%|font=Verdana|text=w.PSD}}

| 11.1–
15.1
{{font|size=75%|font=Verdana|text=1 / 2}}

| 2.4–
5.4
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|9.4–
10.4

align="center" | [http://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcxNy4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTc6InJlbGF0Y29pbWJyYXNldDE3Ijt9/relatcoimbraset17 G.Triplo]

| align="center" | 19–22 Sep 2017

| 678

| align="center" {{Party shading/PS}}|34.2

| align="center" | 14.2

| align="center" | 2.4

| align="center" | 5.0

| align="center" | {{font|size=75%|font=Verdana|text=w.PSD}}

| align="center" | 7.7

| align="center" style="background:#cccccc"|36.6

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 20.0

align="center" |[https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcyMC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTM6ImNvaW1icmEtc2V0MTciO30=/coimbra-set17 Aximage]
Seat projection

| align="center" | 18–21 Sep 2017

| 600

| align="center" {{Party shading/PS}}|28.7
4

| align="center" | 25.7
3 / 4

| align="center" | 7.2
1

| align="center" | 8.1
1

| align="center" | {{font|size=75%|font=Verdana|text=w.PSD}}

| align="center" | 13.4
1 / 2

| align="center" | 16.9
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 3.0

align="center" |[https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcxMC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mzk6InJlbGF0b3Jpby1zaW50ZXNlLXNvbmRhZ2VtLWNvaW1icmEtMjAxNyI7fQ==/relatorio-sintese-sondagem-coimbra-2017 UCP–CESOP]
Seat projection

| align="center" | 16–17 Sep 2017

| 895

| align="center" {{Party shading/PS}}|35.0
4 / 5

| align="center" | 25.0
3 / 4

| align="center" | 9.0
1

| align="center" | {{font|size=75%|font=Verdana|text=w.PSD}}

| align="center" | 16.0
1 / 2

| align="center" | 6.0
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 10.0

align="center" |[https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY5Ny4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mzg6ImVzdHVkby1hdXRhcnF1aWNhczE3LWNvbmNjb2ltYnJhLXNldDE3Ijt9/estudo-autarquicas17-conccoimbra-set17 Eurosondagem]
Seat projection

| align="center" | 11–13 Sep 2017

| 717

| align="center" {{Party shading/PS}}|33.1
4

| align="center" | 26.7
3

| align="center" | 8.3
1

| align="center" | 9.0
1

| align="center" | {{font|size=75%|font=Verdana|text=w.PSD}}

| align="center" | 15.2
2

| align="center" | 7.7
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 6.4

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election]

| data-sort-value="2019-10-06"| 29 Sep 2013

| {{N/A}}

| {{Party shading/PS}}| 35.5
{{font|size=75%|font=Verdana|text=5}}

| 29.7
{{font|size=75%|font=Verdana|text=4}}

| 11.1
{{font|size=75%|font=Verdana|text=1}}

| 9.3
{{font|size=75%|font=Verdana|text=1}}

| 3.9
{{font|size=75%|font=Verdana|text=0}}

| {{N/A}}

| 6.6
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|5.8

colspan="11" style="background:#A0A0A0"|

=Évora=

class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|CDS – People's Party}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| PSD ! class="unsortable" style="width:35px;"\| CDS PPM MPT ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="11" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| style="background:#F1A09E"\| 40.5 {{font\|size=75%\|font=Verdana\|text=4}} \| 26.4 {{font\|size=75%\|font=Verdana\|text=2}} \| 14.9 {{font\|size=75%\|font=Verdana\|text=1}} \| 5.9 {{font\|size=75%\|font=Verdana\|text=0}} \| 4.8 {{font\|size=75%\|font=Verdana\|text=0}} \| 7.5 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Unitary Democratic Coalition}}; color:white;"\|14.1
colspan="11" style="background:#A0A0A0"\|
align="center" \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY5OC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzY6ImVzdHVkby1hdXRhcnF1aWNhczE3LWNvbmNldm9yYS1zZXQxNyI7fQ==/estudo-autarquicas17-concevora-set17 Eurosondagem] Seat projection \| align="center" \| 10–12 Sep 2017 \| 703 \| align="center" style="background:#F1A09E"\|38.9 3 / 4 \| align="center" \| 29.6 2 / 3 \| align="center" \| 17.5 1 \| align="center" \| 5.3 – \| align="center" \| 3.0 – \| align="center" \| 5.7 – \| style="background:{{party color\|Unitary Democratic Coalition}}; color:white;"\| 9.3
colspan="11" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| style="background:#F1A09E"\| 49.3 {{font\|size=75%\|font=Verdana\|text=4}} \| 26.0 {{font\|size=75%\|font=Verdana\|text=2}} \| colspan="2"\| 14.7 {{font\|size=75%\|font=Verdana\|text=1}} \| 3.9 {{font\|size=75%\|font=Verdana\|text=0}} \| 6.1 \| style="background:{{party color\|Unitary Democratic Coalition}}; color:white;"\| 23.3
colspan="11" style="background:#A0A0A0"\|

=Fafe=

class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:#777777;"\| ! class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|CDS – People's Party}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:#777777;"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| IND ! class="unsortable" style="width:35px;"\| PSD CDS ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;"\| CDS ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;"\| FS ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="12" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| {{Party shading/PS}}\| 37.3 {{font\|size=75%\|font=Verdana\|text=4}} \| {{N/A}} \| 18.4 {{font\|size=75%\|font=Verdana\|text=2}} \| 2.4 {{font\|size=75%\|font=Verdana\|text=0}} \| {{font\|size=75%\|font=Verdana\|text=w.PSD}} \| 1.7 {{font\|size=75%\|font=Verdana\|text=0}} \| 36.7 {{font\|size=75%\|font=Verdana\|text=3}} \| 4.3 \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\|0.6
colspan="12" style="background:#A0A0A0"\|
align="center" \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcyNS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjA6ImVzdG9wLWZhZmV0dl9zZXQyMDE3Ijt9/estop-fafetv_set2017 Eurosondagem] Seat projection \| align="center" \| 18–19 Sep 2017 \| 769 \| align="center" {{Party shading/PS}}\|34.0 3 / 4 \| {{N/A}} \| align="center" \| 21.9 2 \| align="center" \| 3.3 – \| align="center" \| {{font\|size=75%\|font=Verdana\|text=w.PSD}} \| align="center" \| 3.5 – \| align="center" \| 33.3 3 / 4 \| align="center" \| 4.0 – \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\| 0.7
colspan="12" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| {{Party shading/PS}}\| 35.2 {{font\|size=75%\|font=Verdana\|text=4}} \| 35.1 {{font\|size=75%\|font=Verdana\|text=3}} \| 21.3 {{font\|size=75%\|font=Verdana\|text=2}} \| 3.0 {{font\|size=75%\|font=Verdana\|text=0}} \| 1.4 {{font\|size=75%\|font=Verdana\|text=0}} \| {{N/A}} \| {{N/A}} \| 4.1 \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\|0.1
colspan="12" style="background:#A0A0A0"\|

=Funchal=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| PSD

! class="unsortable" style="width:35px;"| CDS

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;" rowspan="2"| {{abbr|O|Other}}

! class="unsortable" style="width:30px;" rowspan="2"| Lead

class="unsortable" style="color:inherit;background:{{party color|Socialist Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Social Democratic Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|CDS – People's Party}};"|

! class="unsortable" style="color:inherit;background:{{party color|Unitary Democratic Coalition}};"|

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election]

| data-sort-value="2019-10-06"| 1 Oct 2017

| {{N/A}}

| {{Party shading/PS}}| 42.1
{{font|size=75%|font=Verdana|text=6}}

| 32.1
{{font|size=75%|font=Verdana|text=4}}

| 8.6
{{font|size=75%|font=Verdana|text=1}}

| 3.6
{{font|size=75%|font=Verdana|text=0}}

| 13.7
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|10.0

colspan="11" style="background:#A0A0A0"|

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcxNi4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjU6ImVzdG9wLWRubWFkLWZ1bmNoYWwtc2V0MTciO30=/estop-dnmad-funchal-set17 Eurosondagem]
Seat projection

| align="center" | 20–21 Sep 2017

| 777

| align="center" {{Party shading/PS}}|43.8
6

| align="center" | 31.8
4

| align="center" | 10.0
1

| align="center" | 5.0
–

| align="center" | 9.4
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 12.0

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY4Ni4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjU6ImVzdHVkby1hdXRhcnF1aWNvLWZ1bmNoYWwiO30=/estudo-autarquico-funchal Eurosondagem]
Seat projection

| align="center" | 12–14 Jul 2017

| 708

| align="center" {{Party shading/PS}}| 42.5
6

| align="center" | 30.8
4

| align="center" | 10.0
1

| align="center" | 5.0
–

| align="center" | 11.7
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 11.7

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY1MS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mzc6ImVzdHVkby1kZS1vcGluaWFvLWNvbmNlbGhvLWRvLWZ1bmNoYWwiO30=/estudo-de-opiniao-concelho-do-funchal Eurosondagem]
Seat projection

| align="center" | 12–13 Jan 2017

| 717

| align="center" {{Party shading/PS}}| 48.0
6 / 7

| align="center" | 25.8
3 / 4

| align="center" | 8.7
1

| align="center" | 6.3
0 / 1

| align="center" | 11.2
0 / 1

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 22.2

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election]

| data-sort-value="2019-10-06"| 29 Sep 2013

| {{N/A}}

| {{Party shading/PS}}| 39.2
{{font|size=75%|font=Verdana|text=5}}

| 32.4
{{font|size=75%|font=Verdana|text=4}}

| 14.6
{{font|size=75%|font=Verdana|text=2}}

| 8.4
{{font|size=75%|font=Verdana|text=1}}

| 5.4

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|6.8

colspan="11" style="background:#A0A0A0"|

=Gondomar=

class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:#777777;"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| PSD CDS ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;"\| VL ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="12" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| {{Party shading/PS}}\| 45.5 {{font\|size=75%\|font=Verdana\|text=6}} \| 11.0 {{font\|size=75%\|font=Verdana\|text=1}} \| 15.4 {{font\|size=75%\|font=Verdana\|text=2}} \| 3.6 {{font\|size=75%\|font=Verdana\|text=0}} \| 19.9 {{font\|size=75%\|font=Verdana\|text=2}} \| 4.6 \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\|25.6
colspan="12" style="background:#A0A0A0"\|
align="center" \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzczMi4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzI6InIwMjgyMDE3X2dvbmRvbWFyX3NldDIwMTdfZ2xvYmFsIjt9/r0282017_gondomar_set2017_global DOMP] \| align="center" \| 28 Aug–22 Sep 2017 \| 890 \| align="center" {{Party shading/PS}}\|50.0 \| align="center" \| 5.0 \| align="center" \| 13.0 \| align="center" \| 2.0 \| align="center" \| 23.0 \| align="center" \| 6.0 \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\| 27.0
colspan="12" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| {{Party shading/PS}}\| 46.4 {{font\|size=75%\|font=Verdana\|text=7}} \| 22.1 {{font\|size=75%\|font=Verdana\|text=3}} \| 12.2 {{font\|size=75%\|font=Verdana\|text=1}} \| 3.6 {{font\|size=75%\|font=Verdana\|text=0}} \| {{N/A}} \| 15.7 \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\|24.3
colspan="12" style="background:#A0A0A0"\|

=Guimarães=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| PSD
CDS
PPM
MPT
PPV

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;"| BE

! class="unsortable" style="width:35px;" rowspan="2"| {{abbr|O|Other}}

! class="unsortable" style="width:30px;" rowspan="2"| Lead

class="unsortable" style="color:inherit;background:{{party color|Socialist Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Social Democratic Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Unitary Democratic Coalition}};"|

! class="unsortable" style="color:inherit;background:{{party color|Left Bloc (Portugal)}};"|

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election]

| data-sort-value="2019-10-06"| 1 Oct 2017

| {{N/A}}

| {{Party shading/PS}}| 51.5
{{font|size=75%|font=Verdana|text=6}}

| 37.9
{{font|size=75%|font=Verdana|text=5}}

| 5.2
{{font|size=75%|font=Verdana|text=0}}

| 2.4
{{font|size=75%|font=Verdana|text=0}}

| 2.9

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|13.6

colspan="11" style="background:#A0A0A0"|

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzczMy4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mjc6ImVzdHVkby1hdXRhcnF1aWNvLWd1aW1hcmFlcyI7fQ==/estudo-autarquico-guimaraes Eurosondagem]
Seat projection

| align="center" | 22–23 Sep 2017

| 708

| align="center" {{Party shading/PS}}|53.5
7

| align="center" | 31.0
4

| align="center" | 6.7
–

| align="center" | 3.3
–

| align="center" | 5.5
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 22.5

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcwNy4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjQ6ImVzdG9wLWd1aW1hcHJlc3Mtc2V0MjAxNyI7fQ==/estop-guimapress-set2017 Eurosondagem]
Seat projection

| align="center" | 10–11 Sep 2017

| 710

| align="center" {{Party shading/PS}}|55.1
7

| align="center" | 30.0
4

| align="center" | 6.5
–

| align="center" | 3.0
–

| align="center" | 5.4
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 25.1

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY5My4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjE6ImZyZXF1ZW5jaWFzLWd1aW1hcmFlcyI7fQ==/frequencias-guimaraes IPOM]

| align="center" | 30 Aug–1 Sep 2017

| 854

| align="center" {{Party shading/PS}}| 45.3

| align="center" | 43.1

| align="center" | 6.5

| align="center" | 1.4

| align="center" | 3.7

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 2.2

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY3OC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mjc6ImVzdHVkby1hdXRhcnF1aWNvLWd1aW1hcmFlcyI7fQ==/estudo-autarquico-guimaraes Eurosondagem]
Seat projection

| align="center" | 25–26 Jun 2017

| 708

| align="center" {{Party shading/PS}}| 54.1
7

| align="center" | 30.7
4

| align="center" | 6.0
–

| align="center" | 4.2
–

| align="center" | 5.0
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 23.4

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election]

| data-sort-value="2019-10-06"| 29 Sep 2013

| {{N/A}}

| {{Party shading/PS}}| 47.6
{{font|size=75%|font=Verdana|text=6}}

| 35.6
{{font|size=75%|font=Verdana|text=4}}

| 8.3
{{font|size=75%|font=Verdana|text=1}}

| 2.0
{{font|size=75%|font=Verdana|text=0}}

| 6.4
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|12.0

colspan="11" style="background:#A0A0A0"|

=Leiria=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| PSD
MPT

! class="unsortable" style="width:35px;"| CDS

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;"| BE

! class="unsortable" style="width:35px;" rowspan="2"| {{abbr|O|Other}}

! class="unsortable" style="width:30px;" rowspan="2"| Lead

class="unsortable" style="color:inherit;background:{{party color|Socialist Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Social Democratic Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|CDS – People's Party}};"|

! class="unsortable" style="color:inherit;background:{{party color|Unitary Democratic Coalition}};"|

! class="unsortable" style="color:inherit;background:{{party color|Left Bloc (Portugal)}};"|

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election]

| data-sort-value="2019-10-06"| 1 Oct 2017

| {{N/A}}

| {{Party shading/PS}}| 54.5
{{font|size=75%|font=Verdana|text=8}}

| 27.0
{{font|size=75%|font=Verdana|text=3}}

| 5.0
{{font|size=75%|font=Verdana|text=0}}

| 2.4
{{font|size=75%|font=Verdana|text=0}}

| 2.7
{{font|size=75%|font=Verdana|text=0}}

| 8.4
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|27.5

colspan="11" style="background:#A0A0A0"|

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcyOC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzE6ImZyZXF1ZW5jaWFzX2xlaXJpYV9qb3JuYWxfZV9lcmMiO30=/frequencias_leiria_jornal_e_erc IPOM]
Seat projection

| align="center" | 22 Sep 2017

| 744

| align="center" {{Party shading/PS}}|49.9
7

| align="center" | 26.3
3

| align="center" | 7.5
1

| align="center" | 4.3
–

| align="center" | 3.2
–

| align="center" | 8.8
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 23.6

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY2OC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjQ6ImVzdHVkby1hdXRhcnF1aWNvLWxlaXJpYSI7fQ==/estudo-autarquico-leiria Eurosondagem]
Seat projection

| align="center" | 2–9 May 2017

| 1,069

| align="center" {{Party shading/PS}}| 52.0
7 / 8

| align="center" | 26.6
3 / 4

| align="center" | 3.0
–

| align="center" | 4.9
–

| align="center" | 4.2
–

| align="center" | 9.3
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 25.4

align="center" | [http://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzYzOS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjE6ImVzdG9wLWxlaXJpYV9vdXR1YnJvNiI7fQ==/estop-leiria_outubro6 Eurosondagem]

| align="center" | 14–17 Oct 2016

| 1,010

| align="center" | 36.8

| align="center" {{Party shading/PSD}}| 39.6

| align="center" | 5.3

| align="center" | 3.0

| align="center" | 5.2

| align="center" | 10.1

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"| 2.8

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election]

| data-sort-value="2019-10-06"| 29 Sep 2013

| {{N/A}}

| {{Party shading/PS}}| 46.3
{{font|size=75%|font=Verdana|text=7}}

| 27.9
{{font|size=75%|font=Verdana|text=4}}

| 4.7
{{font|size=75%|font=Verdana|text=0}}

| 4.4
{{font|size=75%|font=Verdana|text=0}}

| 3.3
{{font|size=75%|font=Verdana|text=0}}

| 13.5

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|18.4

colspan="11" style="background:#A0A0A0"|

=Lisbon=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| PSD

! class="unsortable" style="width:35px;"| CDS
PPM
MPT

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;"| BE

! class="unsortable" style="width:35px;" rowspan="2"| {{abbr|O|Other}}

! class="unsortable" style="width:30px;" rowspan="2"| Lead

class="unsortable" style="color:inherit;background:{{party color|Socialist Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Social Democratic Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|CDS – People's Party}};"|

! class="unsortable" style="color:inherit;background:{{party color|Unitary Democratic Coalition}};"|

! class="unsortable" style="color:inherit;background:{{party color|Left Bloc (Portugal)}};"|

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| 2017 local election

| data-sort-value="2019-10-06"| 1 Oct 2017

| {{N/A}}

| {{Party shading/PS}}| 42.0
{{font|size=75%|font=Verdana|text=8}}

| 11.2
{{font|size=75%|font=Verdana|text=2}}

| 20.6
{{font|size=75%|font=Verdana|text=4}}

| 9.6
{{font|size=75%|font=Verdana|text=2}}

| 7.1
{{font|size=75%|font=Verdana|text=1}}

| 9.4
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|21.4

colspan="11" style="background:#A0A0A0"|

style="background:#EAFFEA"|

| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzc0NS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6ODoicHJvamVjYW8iO30=/projecao UCP–CESOP]

| data-sort-value="2019-10-06"| 1 Oct 2017

| 11,694

| {{Party shading/PS}}| 43.0–
47.0
{{font|size=75%|font=Verdana|text=8 / 10}}

| 9.0–
11.0
{{font|size=75%|font=Verdana|text=2}}

| 18.0–
21.0
{{font|size=75%|font=Verdana|text=3 / 4}}

| 9.0–
11.0
{{font|size=75%|font=Verdana|text=2}}

| 7.0–
9.0
{{font|size=75%|font=Verdana|text=1 / 2}}

| –

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 25.0–
26.0

style="background:#EAFFEA"|

| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzc1OS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjU6ImVzdHVkby1hdXQxN2xpc2JvYS0xb3V0MTciO30=/estudo-aut17lisboa-1out17 Eurosondagem]

| data-sort-value="2019-10-06"| 1 Oct 2017

| 8,761

| {{Party shading/PS}}| 41.4–
46.0
{{font|size=75%|font=Verdana|text=9}}

| 8.4–
11.0
{{font|size=75%|font=Verdana|text=1 / 2}}

| 16.2–
20.0
{{font|size=75%|font=Verdana|text=3 / 4}}

| 10.0–
12.1
{{font|size=75%|font=Verdana|text=2}}

| 7.7–
9.6
{{font|size=75%|font=Verdana|text=1 / 2}}

| –

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 25.2–
26.0

style="background:#EAFFEA"|

| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzc1Mi4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTc6InJlc3VsdGFkb3MtbGlzYm9hIjt9/resultados-lisboa Intercampus]

| data-sort-value="2019-10-06"| 1 Oct 2017

| 5,238

| {{Party shading/PS}}| 44.3–
49.3
{{font|size=75%|font=Verdana|text=8 / 9}}

| 8.1–
12.0
{{font|size=75%|font=Verdana|text=1 / 2}}

| 15.5–
19.5
{{font|size=75%|font=Verdana|text=3 / 4}}

| 8.3–
12.3
{{font|size=75%|font=Verdana|text=1 / 2}}

| 6.2–
9.2
{{font|size=75%|font=Verdana|text=1}}

| 4.6–
10.6
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 28.8–
29.8

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzczNy4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjQ6ImVzdHVkby1hdXRhcnF1aWNvLWxpc2JvYSI7fQ==/estudo-autarquico-lisboa Eurosondagem]
Seat projection

| align="center" | 24–26 Sep 2017

| 1,010

| align="center" {{Party shading/PS}}|43.3
9

| align="center" | 12.5
2

| align="center" | 17.5
3

| align="center" | 10.1
2

| align="center" | 5.7
1

| align="center" | 10.9
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 25.8

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzc0Mi4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTc6InJlbGF0b3Jpby1zaW50ZXNlIjt9/relatorio-sintese UCP–CESOP]
Seat projection

| align="center" | 23–26 Sep 2017

| 1,185

| align="center" {{Party shading/PS}}|47.0
8 / 10

| align="center" | 12.0
2

| align="center" | 15.0
2 / 3

| align="center" | 8.0
1 / 2

| align="center" | 10.0
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 32.0

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcxOS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTI6Imxpc2JvYS1zZXQxNyI7fQ==/lisboa-set17 Aximage]
Seat projection

| align="center" | 17–20 Sep 2017

| 600

| align="center" {{Party shading/PS}}|47.0
9 / 10

| align="center" | 10.9
2 / 3

| align="center" | 12.6
2 / 3

| align="center" | 8.5
2

| align="center" | 5.5
1

| align="center" | 15.5
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 34.4

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcwMC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mzg6InJlbGF0b3Jpby1zaW50ZXNlLXNvbmRhZ2VtLWxpc2JvYS0yMDE3Ijt9/relatorio-sintese-sondagem-lisboa-2017 UCP–CESOP]
Seat projection

| align="center" | 16 Sep 2017

| 764

| align="center" {{Party shading/PS}}|41.0
7 / 9

| align="center" | 16.0
3 / 4

| align="center" | 17.0
3 / 4

| align="center" | 8.0
1 / 2

| align="center" | 10.0
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 24.0

colspan="11" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| 2013 local election

| data-sort-value="2019-10-06"| 29 Sep 2013

| {{N/A}}

| {{Party shading/PS}}| 50.9
{{font|size=75%|font=Verdana|text=11}}

| colspan="2"|22.4
{{font|size=75%|font=Verdana|text=4}}

| 9.9
{{font|size=75%|font=Verdana|text=2}}

| 4.6
{{font|size=75%|font=Verdana|text=0}}

| 12.3
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|28.5

colspan="11" style="background:#A0A0A0"|

=Loures=

class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|CDS – People's Party}};"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| PSD PPM ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;"\| CDS ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="11" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| style="background:#F1A09E"\| 32.8 {{font\|size=75%\|font=Verdana\|text=4}} \| 28.2 {{font\|size=75%\|font=Verdana\|text=4}} \| 21.6 {{font\|size=75%\|font=Verdana\|text=3}} \| 3.6 {{font\|size=75%\|font=Verdana\|text=0}} \| 2.9 {{font\|size=75%\|font=Verdana\|text=0}} \| 11.0 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Unitary Democratic Coalition}}; color:white;"\|4.6
colspan="11" style="background:#A0A0A0"\|
align="center" \|[https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcwNC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjQ6ImVzdHVkby1hdXRhcnF1aWNvLWxvdXJlcyI7fQ==/estudo-autarquico-loures Eurosondagem] Seat projection \| align="center" \| 17–19 Sep 2017 \| 710 \| align="center" style="background:#F1A09E"\|36.6 5 \| align="center" \| 28.2 4 \| align="center" \| 18.2 2 \| align="center" \| 5.0 – \| align="center" \| 2.8 – \| align="center" \| 9.2 – \| style="background:{{party color\|Unitary Democratic Coalition}}; color:white;"\| 8.4
colspan="11" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| style="background:#F1A09E"\| 34.7 {{font\|size=75%\|font=Verdana\|text=5}} \| 31.2 {{font\|size=75%\|font=Verdana\|text=4}} \| 16.0 {{font\|size=75%\|font=Verdana\|text=2}} \| 3.2 {{font\|size=75%\|font=Verdana\|text=0}} \| 3.1 {{font\|size=75%\|font=Verdana\|text=0}} \| 11.8 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Unitary Democratic Coalition}}; color:white;"\| 3.5
colspan="11" style="background:#A0A0A0"\|

=Maia=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| PSD
CDS

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;"| BE

! class="unsortable" style="width:35px;" rowspan="2"| {{abbr|O|Other}}

! class="unsortable" style="width:30px;" rowspan="2"| Lead

class="unsortable" style="color:inherit;background:{{party color|Social Democratic Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Socialist Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Unitary Democratic Coalition}};"|

! class="unsortable" style="color:inherit;background:{{party color|Left Bloc (Portugal)}};"|

colspan="9" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election]

| data-sort-value="2019-10-06"| 1 Oct 2017

| {{N/A}}

| {{Party shading/PSD}}| 40.0
{{font|size=75%|font=Verdana|text=6}}

| 36.6
{{font|size=75%|font=Verdana|text=5}}

| 4.6
{{font|size=75%|font=Verdana|text=0}}

| 5.8
{{font|size=75%|font=Verdana|text=0}}

| 13.0
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"|3.4

colspan="9" style="background:#A0A0A0"|

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY5NS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzY6InJlbGF0b3Jpby1zaW50ZXNlLXNvbmRhZ2VtLW1haWEtMjAxNyI7fQ==/relatorio-sintese-sondagem-maia-2017 UCP–CESOP]
Seat projection

| align="center" | 9–10 Sep 2017

| 718

| align="center" {{Party shading/PSD}}|41.0
5 / 6

| align="center" | 32.0
4 / 5

| align="center" | 7.0
0 / 1

| align="center" | 5.0
–

| align="center" | 15.0
–

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"| 9.0

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY5MS40LnBkZiI7czo2OiJ0aXR1bG8iO3M6MTE6ImZyZXF1ZW5jaWFzIjt9/frequencias IPOM]

| align="center" | 26–29 Aug 2017

| 882

| align="center" {{Party shading/PSD}}|48.3

| align="center" | 27.0

| align="center" | 7.8

| align="center" | 5.9

| align="center" | 11.0

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"| 21.3

align="center" | [http://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzY3My4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjE6InF1YWRyb3MtZGUtcmVzdWx0YWRvcyI7fQ==/quadros-de-resultados Intercampus]

| align="center" | 19–26 May 2017

| 800

| align="center" | 27.1

| align="center" {{Party shading/PS}}|31.1

| align="center" | 3.6

| align="center" | 2.6

| align="center" style="background:#cccccc"|35.5

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 4.0

align="center" | [http://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzUzNS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjE6InJlc3VsdGFkb3MtbWFpYWFicjE1YiI7fQ==/resultados-maiaabr15b GTriplo]

| align="center" | 20–30 Apr 2015

| 750

| align="center" | 24.0

| align="center" {{Party shading/PS}}| 26.4

| align="center" | 3.5

| align="center" | 2.5

| align="center" style="background:#cccccc"| 44.1

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 2.4

colspan="9" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election]

| data-sort-value="2019-10-06"| 29 Sep 2013

| {{N/A}}

| {{Party shading/PSD}}| 50.2
{{font|size=75%|font=Verdana|text=7}}

| 25.6
{{font|size=75%|font=Verdana|text=3}}

| 7.7
{{font|size=75%|font=Verdana|text=1}}

| 6.0
{{font|size=75%|font=Verdana|text=0}}

| 10.6

| style="background:{{party color|Social Democratic Party (Portugal)}}; color:white;"|24.6

colspan="9" style="background:#A0A0A0"|

=Marinha Grande=

class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\| ! class="unsortable" style="color:inherit;background:#777777;"\| ! class="unsortable" style="color:inherit;background:#777777;"\| ! class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|CDS – People's Party}};"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;"\| MPM ! class="unsortable" style="width:35px;"\| +C ! class="unsortable" style="width:35px;"\| PSD MPT ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;"\| CDS PPM ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="13" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| {{Party shading/PS}}\| 29.4 {{font\|size=75%\|font=Verdana\|text=3}} \| 24.5 {{font\|size=75%\|font=Verdana\|text=2}} \| 22.1 {{font\|size=75%\|font=Verdana\|text=2}} \| 7.6 {{font\|size=75%\|font=Verdana\|text=0}} \| 4.9 {{font\|size=75%\|font=Verdana\|text=0}} \| 4.8 {{font\|size=75%\|font=Verdana\|text=0}} \| 0.8 {{font\|size=75%\|font=Verdana\|text=0}} \| 5.9 \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\|4.9
colspan="13" style="background:#A0A0A0"\|
align="center" \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcyNy4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MzU6ImZyZXF1ZW5jaWFzX21hcmluaGFfZ3JhbmRlX2NvbXBsZXRvIjt9/frequencias_marinha_grande_completo IPOM] Seat projection \| align="center" \| 22 Sep 2017 \| 616 \| align="center" {{Party shading/PS}}\|39.0 4 \| align="center" \| 28.4 2 \| align="center" \| 16.1 1 \| align="center" \| 3.2 0 \| align="center" \| 3.5 – \| align="center" \| 0.6 – \| {{N/A}} \| align="center" \| 8.8 – \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\| 10.6
colspan="13" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| {{Party shading/PS}}\| 29.9 {{font\|size=75%\|font=Verdana\|text=2}} \| 24.8 {{font\|size=75%\|font=Verdana\|text=2}} \| 12.0 {{font\|size=75%\|font=Verdana\|text=1}} \| 11.0 {{font\|size=75%\|font=Verdana\|text=1}} \| 10.6 {{font\|size=75%\|font=Verdana\|text=1}} \| 2.8 {{font\|size=75%\|font=Verdana\|text=0}} \| 1.1 {{font\|size=75%\|font=Verdana\|text=0}} \| 7.9 \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\|5.1
colspan="13" style="background:#A0A0A0"\|

=Matosinhos=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| IND

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| PSD

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;"| BE

! class="unsortable" style="width:35px;"| CDS

! class="unsortable" style="width:35px;"| NM

! class="unsortable" style="width:35px;"| SIM

! class="unsortable" style="width:35px;" rowspan="2"| {{abbr|O|Other}}

! class="unsortable" style="width:30px;" rowspan="2"| Lead

class="unsortable" style="color:inherit;background:#777777;"|

! class="unsortable" style="color:inherit;background:{{party color|Socialist Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Social Democratic Party (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|Unitary Democratic Coalition}};"|

! class="unsortable" style="color:inherit;background:{{party color|Left Bloc (Portugal)}};"|

! class="unsortable" style="color:inherit;background:{{party color|CDS – People's Party}};"|

! class="unsortable" style="color:inherit;background:#777777;"|

colspan="13" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election]

| data-sort-value="2019-10-06"| 1 Oct 2017

| {{N/A}}

| {{Party shading/PS}}| 36.3
{{font|size=75%|font=Verdana|text=5}}

| 11.9
{{font|size=75%|font=Verdana|text=1}}

| 6.7
{{font|size=75%|font=Verdana|text=1}}

| 4.6
{{font|size=75%|font=Verdana|text=0}}

|{{N/A}}

| 16.2
{{font|size=75%|font=Verdana|text=2}}

| 15.2
{{font|size=75%|font=Verdana|text=2}}

| 9.2
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|20.1

colspan="13" style="background:#A0A0A0"|

style="background:#EAFFEA"|

| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzc1My4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MjE6InJlc3VsdGFkb3MtbWF0b3NpbmhvcyI7fQ==/resultados-matosinhos Intercampus]

| data-sort-value="2019-10-06"| 1 Oct 2017

| 4,266

| –

| {{Party shading/PS}}| 34.8–
39.8
{{font|size=75%|font=Verdana|text=4 / 5}}

| 8.0–
11.0
{{font|size=75%|font=Verdana|text=1}}

| 4.9–
7.9
{{font|size=75%|font=Verdana|text=0 / 1}}

| 3.1–
6.1
{{font|size=75%|font=Verdana|text=0}}

| –

| 14.5–
18.5
{{font|size=75%|font=Verdana|text=2 / 3}}

| 16.9–
20.9
{{font|size=75%|font=Verdana|text=2 / 3}}

| 5.3–
9.3
{{font|size=75%|font=Verdana|text=0}}

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"|17.9–
18.9

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcxNC4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTc6InJlbGF0b3Jpby1zaW50ZXNlIjt9/relatorio-sintese UCP–CESOP]
Seat projection

| align="center" | 23–24 Sep 2017

| 1,143

| {{N/A}}

| align="center" {{Party shading/PS}}|38.0
5 / 6

| align="center" | 11.0
1

| align="center" | 8.0
1

| align="center" | 5.0
–

| {{N/A}}

| align="center" | 15.0
2

| align="center" | 13.0
1 / 2

| align="center" | 10.0
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 23.0

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcwNS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mjg6ImVzdHVkby1hdXRhcnF1aWNvLW1hdG9zaW5ob3MiO30=/estudo-autarquico-matosinhos Eurosondagem]
Seat projection

| align="center" | 18–20 Sep 2017

| 707

| {{N/A}}

| align="center" {{Party shading/PS}}|31.9
4 / 5

| align="center" | 10.2
1

| align="center" | 6.1
0 / 1

| align="center" | 5.0
–

| {{N/A}}

| align="center" | 25.8
3 / 4

| align="center" | 13.5
2

| align="center" | 7.5
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 6.1

align="center" | [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzcwMi4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6Mjg6InJlbGF0b3Jpby1zaW50ZXNlLW1hdG9zaW5ob3MiO30=/relatorio-sintese-matosinhos UCP–CESOP]
Seat projection

| align="center" | 16–17 Sep 2017

| 1,364

| {{N/A}}

| align="center" {{Party shading/PS}}|33.0
4 / 5

| align="center" | 9.0
1

| align="center" | 8.0
1

| align="center" | 5.0
–

| {{N/A}}

| align="center" | 21.0
2 / 3

| align="center" | 17.0
1 / 2

| align="center" | 7.0
–

| style="background:{{party color|Socialist Party (Portugal)}}; color:white;"| 12.0

colspan="13" style="background:#A0A0A0"|

style="background:#EFEFEF;"

| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election]

| data-sort-value="2019-10-06"| 29 Sep 2013

| {{N/A}}

| style="background:#C0C0C0"|43.4
{{font|size=75%|font=Verdana|text=6}}

| 25.3
{{font|size=75%|font=Verdana|text=3}}

| 9.3
{{font|size=75%|font=Verdana|text=1}}

| 7.3
{{font|size=75%|font=Verdana|text=1}}

| 3.6
{{font|size=75%|font=Verdana|text=1}}

| 1.9
{{font|size=75%|font=Verdana|text=0}}

| {{N/A}}

| 9.2
{{font|size=75%|font=Verdana|text=0}}

| style="background:#777777; color:white;"|18.1

colspan="13" style="background:#A0A0A0"|

=Odivelas=

class="unsortable" style="color:inherit;background:{{party color\|Socialist Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Unitary Democratic Coalition}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Left Bloc (Portugal)}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|CDS – People's Party}};"\| ! class="unsortable" style="color:inherit;background:{{party color\|Social Democratic Party (Portugal)}};"\|
class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"
style="height:42px;" ! style="width:145px;" rowspan="2"\| Polling firm/Link ! style="width:125px;" rowspan="2"\| Fieldwork date ! class="unsortable" style="width:50px;" rowspan="2"\| Sample size ! class="unsortable" style="width:35px;"\| PS ! class="unsortable" style="width:35px;"\| CDU ! class="unsortable" style="width:35px;"\| PSD ! class="unsortable" style="width:35px;"\| BE ! class="unsortable" style="width:35px;"\| CDS ! class="unsortable" style="width:35px;"\| PSD CDS ! class="unsortable" style="width:35px;" rowspan="2"\| {{abbr\|O\|Other}} ! class="unsortable" style="width:30px;" rowspan="2"\| Lead
colspan="12" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2017/#%00 2017 local election] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| {{N/A}} \| {{Party shading/PS}}\| 45.1 {{font\|size=75%\|font=Verdana\|text=6}} \| 14.8 {{font\|size=75%\|font=Verdana\|text=2}} \| {{N/A}} \| 6.1 {{font\|size=75%\|font=Verdana\|text=0}} \| {{N/A}} \| 21.7 {{font\|size=75%\|font=Verdana\|text=3}} \| 12.3 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\| 23.4
colspan="12" style="background:#A0A0A0"\|
style="background:#EAFFEA"\| \| [https://www.erc.pt/download/YToyOntzOjg6ImZpY2hlaXJvIjtzOjQxOiJtZWRpYS9zb25kYWdlbnMvb2JqZWN0b19vZmZsaW5lLzc1NS4yLnBkZiI7czo2OiJ0aXR1bG8iO3M6MTk6InJlc3VsdGFkb3Mtb2RpdmVsYXMiO30=/resultados-odivelas Intercampus] \| data-sort-value="2019-10-06"\| 1 Oct 2017 \| 3,555 \| {{Party shading/PS}}\| 43.2– 48.2 {{font\|size=75%\|font=Verdana\|text=6 / 7}} \| 12.6– 16.6 {{font\|size=75%\|font=Verdana\|text=1 / 2}} \| – \| 5.6– 8.6 {{font\|size=75%\|font=Verdana\|text=0 / 1}} \| – \| 20.2– 24.2 {{font\|size=75%\|font=Verdana\|text=2 / 3}} \| 8.9– 11.9 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\| 23.0– 24.0
colspan="12" style="background:#A0A0A0"\|
style="background:#EFEFEF;" \| [https://www.eleicoes.mai.gov.pt/autarquicas2013/#%00 2013 local election] \| data-sort-value="2019-10-06"\| 29 Sep 2013 \| {{N/A}} \| {{Party shading/PS}}\| 39.5 {{font\|size=75%\|font=Verdana\|text=6}} \| 21.3 {{font\|size=75%\|font=Verdana\|text=3}} \| 18.5 {{font\|size=75%\|font=Verdana\|text=2}} \| 5.0 {{font\|size=75%\|font=Verdana\|text=0}} \| 4.1 {{font\|size=75%\|font=Verdana\|text=0}} \| {{N/A}} \| 11.6 {{font\|size=75%\|font=Verdana\|text=0}} \| style="background:{{party color\|Socialist Party (Portugal)}}; color:white;"\| 18.2
colspan="12" style="background:#A0A0A0"\|

=Oeiras=

class="wikitable collapsible sortable" style="text-align:center; font-size:95%; line-height:16px;"

style="height:42px;"

! style="width:145px;" rowspan="2"| Polling firm/Link

! style="width:125px;" rowspan="2"| Fieldwork date

! class="unsortable" style="width:50px;" rowspan="2"| Sample size

! class="unsortable" style="width:35px;"| IOMAF

! class="unsortable" style="width:35px;"| PSD

! class="unsortable" style="width:35px;"| PS

! class="unsortable" style="width:35px;"| CDU

! class="unsortable" style="width:35px;"| CDS

! class="unsortable" style="width:35px;"| BE

! class="unsortable" style="width:35px;"| IN-OV