Riding profile

Markham--Stouffville

Federal riding — ON · Suburban · toronto suburbs york durham

The question

Markham--Stouffville: a safe seat for the Liberal Party?

Current forecast

Liberal

Safe

Probability
100%
Mean margin (pts)
14.0
P(close race)
0%

Projected vote share

Projection by party

  • Liberal 51.2%
  • Conservative 37.2%
  • NDP 3.2%
  • PPC 1.0%
  • Green 0.8%

Watch list

The tightest races

Smallest projected margin. Open one for the numbers.

  1. North Island--Powell RiverConservative45 %1.2 pt margin
  2. Central NewfoundlandConservative57 %1.4 pt margin
  3. Richmond Hill SouthLiberal55 %1.4 pt margin

In context

How this riding stacks up

Liberal Conservative NDP PPC
HereMarkham--Stouffville 51.2%37.2%3.2%1.0%
Provincial averageOntario 49.1% +2.1 35.3% +2.0 4.8% −1.6 1.1% −0.1
National averageCanada 48.0% +3.2 32.1% +5.1 10.6% −7.4 1.0%

Provincial averages computed across the 343 riding-level projections (unweighted mean).

Projection track

How the projection has moved

Editorial read

Markham--Stouffville, a suburban riding in Ontario, elected a member with the Liberal Party in the previous cycle, with a 6-point margin. The Vote-Scope model projects the Liberal Party ahead at 51% vote share, against 37% for the Conservative Party, and the probability of a close race is negligible.

Sitting member

Helena Jaczek

Sits with Liberal

Since
2025-04-28
Parliament
45th

Previous election · 2025

Won by
Liberal
Margin
6.1 pts
Turnout
69.2%
Margin shift vs current projection
+7.9 pts

Detailed result · FED 2025

Candidates and votes

Candidate Party Votes % Occupation
Helena Jaczek Elected Liberal 31,658 51.4 Parliamentarian
Niran Jeyanesan Conservative 27,898 45.3 Police Officer
Serena Cheung NDP 1,121 1.8 Environmental Consultant
Myles O'Brien Green 433 0.7 Sustainability Coordinator
René de Vries PPC 393 0.6 Environmental Geoscientist
Shahzad Ahmed Other 141 0.2 Banker

Demographics

Who lives here

Linguistic profile

  • Anglophone 68.8%
  • Non-francophone (other) 31.2%

Data source : Statistics Canada — 2021 Census

Last model run
Cycle
fed_46