logo
Ontario

Recent electoral history | Wellington—Halton Hills


2018 2022 2025 Projection PC 40% ± 8% 54.0% 50.6% 45.3% OLP 33% ± 8% 12.8% 14.0% 27.6% GPO 15% ± 6% 8.6% 14.1% 15.7% NDP 8% ± 4% 24.0% 15.6% 7.7% NBPO 3% ± 2% 0.0% 5.1% 2.7% ONP 1% ± 1% 0.0% 0.0% 0.7% IND 0% ± 1% 0.0% 0.0% 0.4%

Latest from the 338Canada newsletter

Loading latest analysis…


Ontario flag

338Canada Wellington—Halton Hills projection

Latest update: April 29, 2026

Wellington—Halton Hills 32% 49% 40% ± 8% PC 25% 41% 33% ± 8% OLP 9% 21% 15% ± 6% GPO 4% 11% 8% ± 4% NDP PC 2025 45.26% 338Canada Popular vote projection | April 29, 2026
Methodology note. This projection is calculated using a mostly-proportional swing model adjusted with provincial and regional polls conducted by professional pollsters. This is not a poll, but a projection based on polls. Read more on 338Canada's methodology here.
50% 100% Wellington—Halton Hills 91%▼ PC 9%▲ OLP <1% GPO Odds of winning | April 29, 2026
Methodology note. These odds of winning are those if a general election were held today. They are calculated by the 338Canada Monte Carlo-type program that runs thousands of simulated elections.

338Canada Ontario Projection | Wellington—Halton Hills

Odds of winning | Wellington—Halton Hills