Markham--Unionville — Canadian Federal Election Results
Compiled by EveryElectionResult.com's data team · Last updated 2026-08-30
Markham--Unionville was won by Liberal at the 2021 general election, with a margin of 2,999 votes over Conservative. This page covers every general election in Markham--Unionville from 2004 to 2021.
Full Election History, 2004–2021
Election
Winner
Party
Votes
Vote Share
Runner-up
Margin
2004
Liberal
Liberal
30,442
66.3%
Conservative (10,325)
20,117 (43.8 pts)
2006
Liberal
Liberal
32,769
61.9%
Conservative (14,153)
18,616 (35.2 pts)
2008
Liberal
Liberal
25,296
55.0%
Conservative (13,855)
11,441 (24.9 pts)
2011
Liberal
Liberal
19,429
38.9%
Conservative (17,734)
1,695 (3.4 pts)
2015
Conservative
Conservative
24,605
49.4%
Liberal (21,596)
3,009 (6.0 pts)
2019
Conservative
Conservative
26,133
48.9%
Liberal (20,484)
5,649 (10.6 pts)
2021
Liberal
Liberal
21,958
48.6%
Conservative (18,959)
2,999 (6.6 pts)
Full Result Breakdown by Election
2004
Party
Votes
Share
Liberal
30,442
66.3%
Conservative
10,325
22.5%
NDP
3,993
8.7%
Green
1,148
2.5%
2006
Party
Votes
Share
Liberal
32,769
61.9%
Conservative
14,153
26.7%
NDP
4,257
8.0%
Green
1,146
2.2%
Progressive Canadian Party
321
0.6%
Independent
297
0.6%
2008
Party
Votes
Share
Liberal
25,296
55.0%
Conservative
13,855
30.1%
NDP
4,682
10.2%
Green
1,921
4.2%
Libertarian Party of Canada
225
0.5%
2011
Party
Votes
Share
Liberal
19,429
38.9%
Conservative
17,734
35.5%
NDP
10,897
21.8%
Green
1,597
3.2%
Libertarian Party of Canada
231
0.5%
2015
Party
Votes
Share
Conservative
24,605
49.4%
Liberal
21,596
43.3%
NDP
2,528
5.1%
Green
1,110
2.2%
2019
Party
Votes
Share
Conservative
26,133
48.9%
Liberal
20,484
38.4%
NDP
3,524
6.6%
Green
2,394
4.5%
People's Party
861
1.6%
2021
Party
Votes
Share
Liberal
21,958
48.6%
Conservative
18,959
41.9%
NDP
3,001
6.6%
Green
1,306
2.9%
Margin Over Time
Winning margin (percentage points) at each contested election, coloured by the winning party. Acclaimed elections (no opposing candidate) aren't plotted since there's no margin to measure.
Trend
Markham--Unionville has been contested at 7 general elections on record since 2004. Winning parties over that span: Liberal, Conservative.
Frequently Asked Questions
Who won Markham--Unionville in the 2021 general election?
Liberal won Markham--Unionville in 2021 with 21,958 votes (48.6%), a margin of 2,999 votes over Conservative in second place.
Which parties have won Markham--Unionville since 2004?
Since 2004, Markham--Unionville has been won by: Conservative, Liberal.
What was the closest result in Markham--Unionville?
The closest contested result on record for Markham--Unionville was 2011, when Liberal beat Conservative by 1,695 votes (3.4 percentage points).