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Quebec electoral district
Federal electoral district
LegislatureHouse of Commons
Brenda Shanahan
District created2013
First contested2015
District webpageprofile, map
Population (2011)[1]92,169
Electors (2015)75,157
Area (km²)[1]940
Pop. density (per km²)98.1
Census divisionsBeauharnois-Salaberry, Les Jardins-de-Napierville, Roussillon
Census subdivisionsChâteauguay, Léry, Mercier, Napierville, Sainte-Martine, Saint-Isidore, Saint-Michel, Saint-Rémi

Châteauguay—Lacolle is a new federal electoral district in Quebec. It encompasses a portion of Quebec formerly included in the electoral districts of Beauharnois—Salaberry and Châteauguay—Saint-Constant.[2]

Châteauguay—Lacolle was created by the 2012 federal electoral boundaries redistribution and was legally defined in the 2013 representation order. It came into effect upon the call of the 42nd Canadian federal election, scheduled for 19 October 2015.[3]


The NDP did well across the riding in 2011. However, it did slightly better in the population centres than in the more rural portions of the district, particularly in the centre of the riding. The Liberals and Conservatives did better in the more Anglophone city of Châteauguay than in other portions of the riding. The Bloc was a strong second in much of the region, trailing the NDP, although it did not have any specific regions in which it was particularly strong in comparison to its overall result. The Bloc was weaker, however, in the city of Châteauguay. The riding was swept up in the Liberal wave of 2015, although the three major contenders in the riding (Liberals, Bloc, NDP) all enjoy relatively strong support overall.

Members of Parliament[edit]

This riding has elected the following Members of Parliament:

Parliament Years Member Party
Riding created from Beauharnois—Salaberry
and Châteauguay—Saint-Constant
42nd  2015–present     Brenda Shanahan Liberal

Election results[edit]

Canadian federal election, 2015
Party Candidate Votes % ±% Expenditures
Liberal Brenda Shanahan 20,245 39.10 +28.90 $26,214
Bloc Québécois Sophie Stanké 12,615 24.36 −2.55 $27,153
New Democratic Sylvain Chicoine (incumbent) 11,986 23.15 -25.57 $27,865
Conservative Philippe St-Pierre 5,805 11.21 −0.82 $3,357
Green Jency Mercier 982 1.90 -0.01 $2,348
Marxist–Leninist Linda Sullivan 149 +0.29 +0.06 none listed
Total valid votes/Expense limit 51,782 100.0     $208,824
Total rejected, unmarked and declined ballots 909 1.73
Turnout 52,691 69.21
Eligible voters 76,129
Liberal gain from New Democratic Swing +27.24
2011 federal election redistributed results[6]
Party Vote %
  New Democratic 22,116 48.72
  Bloc Québécois 12,216 26.91
  Conservative 5,462 12.03
  Liberal 4,630 10.20
  Green 865 1.91
  Marxist–Leninist 105 0.23


  1. ^ a b Statistics Canada: 2012
  2. ^ Final Report – Quebec
  3. ^ Timeline for the Redistribution of Federal Electoral Districts
  4. ^ Elections Canada – Official voting results, Forty-second general election, 2015 (QUEBEC: Châteauguay—Lacolle).
  5. ^ Canada – Political Financing (Search for Returns). Returns listed in italics refer to information submitted by the candidates and not to the final totals as reviewed by Elections Canada.
  6. ^ Pundits' Guide to Canadian Elections