Connecticut's 15th State Senate district
{{Short description|American legislative district}}
{{Use mdy dates|date=August 2023}}
{{Infobox legislative district
|state=Connecticut
|district=15
|chamber=Senate
|image =
|representative=Joan Hartley
|party=Democratic
|residence=
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Connecticut's 15th State Senate district elects one member of the Connecticut State Senate. It encompasses parts of Waterbury, Middlebury, and Naugatuck. It has been represented by Democrat Joan Hartley since 2001.{{cite web |last1=Ballotpedia |title=Connecticut State Senate District 15 |url=https://ballotpedia.org/Connecticut_State_Senate_District_15 |website=Ballotpedia |publisher=Ballotpedia |access-date=July 5, 2022 |ref=1}}
Recent elections
=2020=
{{Election box begin no change|title=2020 Connecticut State Senate election, District 15{{cite web |title=Public Reporting |url=https://ctemspublic.pcctg.net/#/races |work=Connecticut Elections Management System |access-date=November 10, 2020 |language=en}}}}
{{Election box winning candidate with party link no change
| party = Democratic Party (United States)
| candidate = Joan V. Hartley (incumbent)
| votes = 20,367
| percentage = 81.99
| change =
}}
{{Election box candidate with party link no change
| party = Independent Party of Connecticut
| candidate = Joan V. Hartley (incumbent)
| votes = 4,473
| percentage = 18.01
| change =
}}
{{Election box total no change
| votes = 24840
| percentage = 100.00
| change =
}}
{{Election box hold with party link no change
| winner = Democratic Party (United States)
}}
{{Election box end}}
=2018=
{{Election box begin no change| title= 2018 Connecticut State Senate election, District 15{{Cite book|url=https://authoring.ct.gov/-/media/SOTS/ElectionServices/StatementOfVote_PDFs/2018-SOV.pdf?la=en|title=Statement of Vote. General Election. November 6, 2018.|publisher=State of Connecticut. Secretary of State.|year=2018|location=Hartford, CT}}}}
{{Election box winning candidate with party link no change
| party = Democratic Party (United States)
| candidate = Joan Hartley (incumbent)
| votes = 16,426
| percentage = 84.7
| change =
}}
{{Election box candidate with party link no change
| party = Independent Party (United States)
| candidate = James Russell
| votes = 2,963
| percentage = 15.3
| change =
}}
{{Election box total no change
| votes = 19,389
| percentage = 100.0
| change =
}}
{{Election box hold with party link no change
| winner = Democratic Party (United States)
}}
{{Election box end}}
=2016=
{{Election box begin no change| title= 2016 Connecticut State Senate election, District 15}}
{{Election box winning candidate with party link no change
| party = Democratic Party (United States)
| candidate = Joan Hartley (incumbent)
| votes = 20,312
| percentage = 82.17
| change =
}}
{{Election box candidate with party link no change
| party = Independent Party (United States)
| candidate = James Russell
| votes = 4,407
| percentage = 17.83
| change =
}}
{{Election box total no change
| votes = 24,719
| percentage = 100.0
| change =
}}
{{Election box hold with party link no change
| winner = Democratic Party (United States)
}}
{{Election box end}}
=2014=
{{Election box begin no change| title= 2014 Connecticut State Senate election, District 15}}
{{Election box winning candidate with party link no change
| party = Democratic Party (United States)
| candidate = Joan Hartley (incumbent)
| votes = 12,083
| percentage = 63.00
| change =
}}
{{Election box candidate with party link no change
| party = Republican Party (United States)
| candidate = Karl D. Shehu
| votes = 5,739
| percentage = 29.9
| change =
}}
{{Election box candidate with party link no change
| party = Independent Party (United States)
| candidate = Joan Hartley
| votes = 851
| percentage = 4.4
| change =
}}
{{Election box candidate with party link no change
| party = Working Families Party
| candidate = Blair Bertaccini
| votes = 510
| percentage = 2.7
| change =
}}
{{Election box total no change
| votes = 19,183
| percentage = 100.0
| change =
}}
{{Election box hold with party link no change
| winner = Democratic Party (United States)
}}
{{Election box end}}
=2012=
{{Election box begin no change| title= 2012 Connecticut State Senate election, District 15}}
{{Election box winning candidate with party link no change
| party = Democratic Party (United States)
| candidate = Joan Hartley (incumbent)
| votes = 19,927
| percentage = 85.20
| change =
}}
{{Election box candidate with party link no change
| party = Independent Party (United States)
| candidate = Andrew Larsen
| votes = 2,334
| percentage = 10.00
| change =
}}
{{Election box candidate with party link no change
| party = Working Families Party
| candidate = Blair Bertaccini
| votes = 1,140
| percentage = 4.9
| change =
}}
{{Election box total no change
| votes = 23,401
| percentage = 100.0
| change =
}}
{{Election box hold with party link no change
| winner = Democratic Party (United States)
}}
{{Election box end}}