Thursday, October 15, 2026
B.C. votes in 9 days

Markham—Stouffville

Provincial riding · Ontario · Greater Toronto (905)

Forecast of October 15, 2026

Our forecast gives the PC Party a 99% chance of winning, with an average lead of 4.0 points.

Safe seat. Chance of a final gap under 5 points: 71%.

Projected vote share

Projection by party

  • PC 48.7%
  • OLP 44.7%
  • NDP 5.4%
  • OTH 0.8%

Thin vertical mark: 2025 result.

Compared with the average

PC OLP NDP OTH
Markham—Stouffville 48.7%44.7%5.4%0.8%
Provincial averageOntario 41.6%+7.0 32.5%+12.2 20.3%−14.9 3.0%−2.2

Simple average of the 124 ridings, not weighted by population.

Projection track

How the projection has moved

Current member

Hon. Paul Calandra · PC

44th Parliament.

Previous election (2025)

The PC Party won by 9.2 points, with 43.4% turnout.

Our current projection: the PC Party ahead by 4.0 points.

Candidates and votes in 2025

Candidate Party Votes %
Paul Calandra Elected PC 22,757 50.6
Kelly Dunn OLP 18,624 41.4
Gregory Hines NDP 2,051 4.6
Myles O'Brien GP 1,018 2.3
Brendan Sorenson OTH 491 1.1

Nearby ridings

Party ahead and how sure the projection is.

Watch list

The tightest races

The smallest projected gaps between the top two.

  1. Hamilton MountainOLP52%1.6-point gap
  2. Mississauga CentrePC58%1.6-point gap
  3. Newmarket—AuroraPC63%1.7-point gap
Forecast updated