Federal electoral district in Quebec, Canada
La Prairie—Atateken electoral district Federal electoral district Legislature House of Commons MP Jacques Ramsay Liberal District created 2013 First contested 2015 Last contested 2021 District webpage profile ,map Demographics Population (2016 )[ 1] 105,496 Electors (2019)86,779 Area (km²)[ 1] 295 Pop. density (per km²) 357.6 Census division Roussillon Census subdivision(s) Saint-Constant ,La Prairie ,Candiac ,Sainte-Catherine ,Kahnawake ,Delson ,Saint-Philippe ,Saint-Mathieu
La Prairie—Atateken (formerlyLa Prairie ,French pronunciation: [la electoral district inQuebec , Canada, that was represented in theHouse of Commons of Canada from 1867 to 1896, 1968 to 1997 and again since 2015.
According to the2021 Canadian census ,2023 representation order [ 2] Racial groups: 84.2% White, 3.2% Black, 2.9% Chinese, 2.8% Latin American, 2.1% Arab, 1.4% IndigenousLanguages: 80.4% French, 8.4% English, 2.9% Spanish, 1.6% Mandarin, 1.4% Arabic, 1.1% RomanianReligions: 67.0% Christian (56.3% Catholic, 2.8% Christian Orthodox, 7.9% Other), 3.8% Muslim, 28.0% NoneMedian income: $48,400 (2020)Average income: $60,050 (2020)
Theriding ofLaprairie was created by theBritish North America Act 1867 . It consisted of the parishes ofLaprairie ,Saint-Philippe ,Saint Jacques le Mineur ,Saint Isidore andSaint Constant , the Indian Lands ofSault Saint Louis , and all islands in the River Saint Lawrence close to the county. It was abolished in 1892 when it was redistributed into theChâteauguay andLaprairie—Napierville electoral districts.
The riding was re-created in 1966 fromBeauharnois—Salaberry andChâteauguay—Huntingdon—Laprairie ridings. It consisted of:
the City of Saint-Lambert; the Towns of Brossard, Candiac, Châteauguay, Châteauguay-Centre, Châteauguay Heights, Delson, Greenfield Park, La Prairie, LeMoyne, Léry and Préville; and in the County of Laprairie: the parish municipalities of Saint-Constant and Sainte-Catherine-d'Alexandrie-de-Laprairie; and the Indian Reserve of Caughnawaga No. 14. In 1976, it was redefined to consist of:
the City of Saint-Lambert; the Towns of Brossard, Candiac, Greenfield Park, La Prairie and LeMoyne; and in the county of Laprairie: the municipality of Notre-Dame. In 1980, it was renamedLa Prairie . In 1987, it was redefined to consist of the towns of Brossard, Candiac, La Prairie et Saint-Lambert.
The riding was abolished in 1996 when it was abolished intoBrossard—La Prairie andSaint-Lambert .
This riding was re-created during the2012 electoral redistribution from parts ofChâteauguay—Saint-Constant andBrossard—La Prairie .
Following the2022 federal electoral redistribution the riding was renamedLa Prairie—Atateken . It gained a small piece of territory north of Autoroute 30 in Saint-Isidore and a small piece of territory near Ch. St-Bernard in Châteauguay fromChâteauguay—Lacolle .[ 3]
The Bloc Québécois is more popular in the central and southern portions of the riding, in areas such as Saint-Constant, Sainte-Catherine, Delson and rural areas, with significant support in La Prairie. The Liberals are the main competitors to the Bloc, having won in 2015. Their support is concentrated in La Prairie and Candiac. The Mohawk reserve of Kahnawake is dominated by the Liberals and NDP, but turnout is generally low.
Members of Parliament [ edit ] This riding has elected the followingmembers of Parliament :
[ edit ] [ edit ] 2021 Canadian federal election :La Prairie Party Candidate Votes % ±% Expenditures Bloc Québécois Alain Therrien 25,862 43.73 +1.9 $27,187.05 Liberal Caroline Desrochers 20,470 34.61 -2.0 $64,263.73 Conservative Lise des Greniers 5,878 9.94 +0.9 $4,378.21 New Democratic Victoria Hernandez 4,317 7.30 -0.4 $24.86 People's Ruth Fontaine 1,532 2.59 +2.0 $2,454.19 Green Barbara Joannette 983 1.66 -2.5 $0.00 Marxist–Leninist Normand Chouinard 98 0.17 ±0.0 $0.00 Total valid votes/expense limit 59,140 98.46 – $117,466.66 Total rejected ballots 924 1.54 1.17 Turnout 60,064 67.79 -4.2 Registered voters 88,603 Source:Elections Canada [ 6]
2019 Canadian federal election :La Prairie Party Candidate Votes % ±% Expenditures Bloc Québécois Alain Therrien 25,707 41.8 +15.56 $16,299.46 Liberal Jean-Claude Poissant 22,504 36.6 +0.14 $58,876.52 Conservative Isabelle Lapointe 5,540 9.0 -2.91 none listed New Democratic Victoria Hernandez 4,744 7.7 -15.18 $0.10 Green Barbara Joannette 2,565 4.2 +2.05 $362.15 People's Gregory Yablunovsky 393 0.6 – none listed Marxist–Leninist Normand Chouinard 100 0.2 -0.15 $0.00 Total valid votes/expense limit 61,553 100.0 Total rejected ballots 886 Turnout 62,439 71.95 Eligible voters 86,779 Bloc Québécois gain fromLiberal Swing +7.71 Source:Elections Canada [ 7] [ 8]
[ edit ] [ edit ] [ edit ] ^a b Statistics Canada : 2016^ Government of Canada, Statistics Canada (August 2, 2024)."Profile table, Census Profile, 2021 Census of Population - La Prairie--Atateken [Federal electoral district (2023 Representation Order)], Quebec" .www12.statcan.gc.ca . RetrievedNovember 5, 2025 . ^ "Quebec's New Federal Electoral Map" .^ "Voter information service" .Elections Canada . RetrievedMay 3, 2025 .^ "Election Night Results - Electoral Districts" . Elections Canada. RetrievedMay 3, 2025 .^ "Official Voting Results — La Prairie" .Elections Canada . RetrievedNovember 5, 2025 .^ "List of confirmed candidates" .Elections Canada . RetrievedOctober 3, 2019 .^ "Election Night Results" . Elections Canada. RetrievedNovember 12, 2019 .^ Elections Canada – Confirmed candidates for La Prairie, 30 September 2015 ^ Elections Canada – Preliminary Election Expenses Limits for Candidates Archived 2015-08-15 at theWayback Machine ^ Pundits' Guide to Canadian Elections ^ Sayers, Anthony M."1874 Federal Election" .Canadian Elections Database . Archived fromthe original on January 24, 2024. ^ Sayers, Anthony M."1872 Federal Election" .Canadian Elections Database . Archived fromthe original on February 3, 2024. ^ "Canadian Parliamentary Guide, 1871" . RetrievedJune 27, 2022 .Riding history from theLibrary of Parliament :
Until2015 Until 2006 Until 2004 Until 2000 Until 1997 Until 1993 Until 1988 Until 1984 Until 1980 Until 1979 Until 1974 Until 1972 Until 1968 Until 1962 Until 1953 Until 1949 Until 1935 Until 1925 Until 1917 Before 1900
Quebecelectoral district_(2022_redistribution).svg)
