Canadian federal elections have provided the following results in Western Montreal.

This article does not cite any sources. (December 2009)

This article needs to be updated. (February 2020)

Montreal boasts some of the most highly polarized political geography in Canada. While the sovereigntist Bloc Québécois dominated the mostly francophone East End for 20 years, the largely anglophone and Jewish western portions of the city have been a Liberal and federalist fortress for over six decades, being to the Liberals what rural Alberta is to the Conservatives. The region is home to some of the safest Liberal ridings in the nation (e.g. Mount Royal and Saint-Laurent—Cartierville). Even in the surge of support for Brian Mulroney in Quebec in 1984 and 1988, the Liberals took the most seats in this region. This continued amid the Liberal meltdown in Quebec in 2006, although one seat at the eastern end of the area was lost to the Bloc. Before 2011, 1984 was the only election in recent memory in which traditional Liberal dominance was seriously threatened in this region. Two former Prime Ministers, Paul Martin and Pierre Trudeau, represented ridings in this area.

Nevertheless, in 2011, several Liberal bastions, such as Notre-Dame-de-Grâce—Lachine, LaSalle—Émard (Martin's former riding), and Pierrefonds—Dollard, fell to the New Democratic surge felt throughout Quebec. Additionally, the Conservatives came very close to taking Mount Royal (Trudeau's former riding), which has been in Liberal hands since 1940. Ultimately, the NDP took five of the region's nine seats, with the Liberals holding the remainder. The region reverted to form in 2015, with the Liberals taking every seat here except Outremont, the riding of NDP leader Tom Mulcair.

The West End returned to a Liberal sweep when Mulcair resigned and the Liberals seized Outremont in the ensuing by-election. In 2019, the Liberals dominated the region, taking every riding by 11,000 votes or more.

Votes by party throughout time

More information Election, Liberal ...

Election	Liberal	Conservative	New Democratic	Bloc Québécois	Green	PC	Reform / Alliance	Others
1984	145,834 40.7%	—	43,997 12.3%	—	890 0.2%	150,096 41.9%	—	17,571 4.9%
1988	189,176 44.4%	—	46,838 11.0%	—	6,792 1.6%	173,354 40.7%	No candidate	9,552 2.2%
1993	276,250 63.0%	—	10,045 2.3%	101,643 23.2%	598 0.1%	37,668 8.6%	No candidate	12,253 2.8%
1997	278,368 60.8%	—	14,303 3.1%	73,432 16.0%	751 0.2%	70,565 15.4%	3,751 0.8%	16,979 3.7%
2000	272,158 66.0%	—	12,925 3.1%	64,930 15.7%	5,374 1.3%	27,132 6.6%	19,967 4.8%	9,786 2.4%
2004	224,636 57.5%	32,602 8.3%	29,668 7.6%	83,506 21.4%	15,046 3.9%	Merged into Conservative Party		5,177 1.3%
2006	192,906 47.6%	69,844 17.2%	41,344 10.2%	78,337 19.3%	21,514 5.3%			1,669 0.4%
2008	172,034 45.0%	69,497 18.2%	62,299 16.3%	55,054 14.4%	20,775 5.4%			2,426 0.6%
2011	127,147 31.7%	76,704 19.1%	147,091 36.6%	36,444 9.1%	12,156 3.0%			1,830 0.6%
2015	246,723 53.3%	75,702 16.4%	95,674 20.7%	30,270 6.5%	12,971 2.8%			1,456 0.3%
2019	240,226 53.6%	59,080 13.2%	59,805 13.3%	48,832 10.9%	32,195 7.2%			7,976 1.8%
2021	218,886 52.7%	65,634 15.8%	61,791 14.9%	43,894 10.6%	10,119 2.4%			14,716 3.5%

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Election statistics in Western Montreal

Liberal   Conservative   New Democratic   Bloc Québécois

Green   Progressive Conservative (defunct)   Alliance / Reform (defunct)