Saint-Mathias-sur-Richelieu

{{Use Canadian English|date=January 2023}}

{{Infobox settlement

|name = Saint-Mathias-sur-Richelieu

|native_name =

|other_name =

|settlement_type = Municipality

|image_skyline = Cemetery St-Mathias-sur-Richelieu.jpg

|image_caption = Saint-Mathias-sur-Richelieu's cemetery

|image_flag =

|flag_size =

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|image_map = Saint-Mathias-sur-Richelieu Quebec location diagram.PNG

|map_caption = Location within Rouville RCM

|pushpin_map = Canada Southern Quebec

|pushpin_label_position =

|pushpin_map_caption = Location in southern Quebec

|coordinates = {{coord|45|28|N|73|16|W|region:CA-QC|display=inline,title}}

|coor_pinpoint =

|coordinates_footnotes=

|subdivision_type = Country

|subdivision_name = {{CAN}}

|subdivision_type1 = Province

|subdivision_name1 = {{QC}}

|subdivision_type2 = Region

|subdivision_name2 = Montérégie

|subdivision_type3 = RCM

|subdivision_name3 = Rouville

|subdivision_type4 =

|subdivision_name4 =

|established_title =

|established_date =

|established_title1= Constituted

|established_date1 = July 1, 1855

|established_title2 =

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|parts =

|government_footnotes = [http://www.mamrot.gouv.qc.ca/repertoire-des-municipalites/fiche/municipalite/55065/ Ministère des Affaires municipales, des Régions et de l'Occupation du territoire: Saint-Mathias-sur-Richelieu][http://www2.parl.gc.ca/Sites/LOP/HFER/hfer.asp?Language=E&Search=Det&Include=Y&rid=1383 Parliament of Canada Federal Riding History: CHAMBLY--BORDUAS (Quebec)]

|government_type =

|leader_title = Mayor

|leader_name = Sylvain Casavant

|leader_title1 = Federal riding

|leader_name1 = Beloeil—Chambly

|leader_title2 = Prov. riding

|leader_name2 = Chambly

|area_footnotes = [https://www12.statcan.gc.ca/census-recensement/2021/dp-pd/prof/details/page.cfm?LANG=E&GENDERlist=1&STATISTIClist=1,4&DGUIDlist=2021A00052455065&HEADERlist=0&SearchText=Saint-Mathias-sur-Richelieu 2021 Statistics Canada Census Profile: Saint-Mathias-sur-Richelieu, Quebec]

|area_magnitude =

|area_total_km2 = 50.10

|area_land_km2 = 47.02

|area_water_km2 =

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|population_footnotes =

|population_total = 4544

|population_as_of = 2021

|population_density_km2 = 96.6

|population_urban =

|population_density_urban_km2 =

|population_metro =

|population_density_metro_km2 =

|population_blank1_title = Pop 2016-2021

|population_blank1 = {{increase}} 0.3%

|population_density_blank1_km2 =

|population_blank2_title = Dwellings

|population_blank2 = 2022

|population_note =

|timezone = EST

|utc_offset = −5

|timezone_DST = EDT

|utc_offset_DST = −4

|postal_code_type = Postal code(s)

|postal_code = J3L 6Z5

|area_code = 450 and 579

|blank_name = Highways
{{jct|state=QC|A|10}}

|blank_info =
{{jct|state=QC|QC|112}}
{{jct|state=QC|QC|133}}

|website = {{URL|www.saint-mathias-sur-richelieu.org|www.saint-mathias
-sur-richelieu.org}}

|footnotes =

}}

Saint-Mathias-sur-Richelieu ({{IPA|fr|sɛ̃ matjas syʁ ʁiʃ(ə)ljø}}, {{lit|Saint Mathias on Richelieu}}) is a municipality in the Canadian province of Quebec. It is located within the Rouville Regional County Municipality in the Montérégie region on the Richelieu River. The population as of the Canada 2021 Census was 4,544.