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St. Catharines


MPP : Jennie Stevens (NDP)
Latest projection: August 31, 2025
Leaning PCPO

Recent electoral history | St. Catharines


2018 2022 2025 Proj. PCPO 40% ± 9% 33.6% 34.4% 35.0% NDP 37% ± 9% 36.6% 39.7% 42.0% OLP 17% ± 6% 24.5% 16.6% 17.3% GPO 2% ± 2% 3.7% 4.1% 2.5% NBPO 2% ± 2% 0.0% 2.6% 1.7% ONP 1% ± 1% 0.0% 1.4% 0.6%

St. Catharines 40% ± 9%▲ PCPO 37% ± 9%▼ NDP 17% ± 6% OLP NDP 2022 39.7% 338Canada Popular vote projection | August 31, 2025
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. The 338Canada model also takes into account electoral history and other data. Read more on 338Canada's methodology here.
50% 100% St. Catharines 73%▲ PCPO 27%▼ NDP <1% OLP Odds of winning | August 31, 2025
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 general election simulations. Electoral districts are then labelled as safe (odds of winning higher than 99.9%), likely (90% to 99.9%), leaning (70% to 90%) or toss up (below 70%).


Popular vote projection | St. Catharines

OLP 17% ± 6% PCPO 40% ± 9% NDP 37% ± 9% Popular vote projection % | St. Catharines 50 45 40 35 30 25 20 15 10 5 2025-02-01 2025-03-01 2025-04-01 2025-05-01 2025-06-01 2025-07-01 2025-08-01 2025-09-01 2025-10-01 2025-11-01 2025-12-01 Election 2025 OLP PCPO NDP August 31, 2025 2025-01-27 PCPO 37% NDP 33% OLP 20% 2025-01-27 2025-01-29 PCPO 38% NDP 33% OLP 20% 2025-01-29 2025-01-31 PCPO 40% NDP 33% OLP 20% 2025-01-31 2025-02-02 PCPO 40% NDP 34% OLP 19% 2025-02-02 2025-02-03 PCPO 39% NDP 34% OLP 20% 2025-02-03 2025-02-04 PCPO 40% NDP 33% OLP 20% 2025-02-04 2025-02-05 PCPO 40% NDP 33% OLP 20% 2025-02-05 2025-02-06 PCPO 40% NDP 32% OLP 20% 2025-02-06 2025-02-07 PCPO 40% NDP 32% OLP 20% 2025-02-07 2025-02-08 PCPO 39% NDP 33% OLP 20% 2025-02-08 2025-02-09 PCPO 39% NDP 34% OLP 20% 2025-02-09 2025-02-10 PCPO 39% NDP 33% OLP 20% 2025-02-10 2025-02-11 PCPO 40% NDP 32% OLP 21% 2025-02-11 2025-02-12 PCPO 40% NDP 32% OLP 21% 2025-02-12 2025-02-13 PCPO 40% NDP 32% OLP 21% 2025-02-13 2025-02-14 PCPO 39% NDP 32% OLP 21% 2025-02-14 2025-02-15 PCPO 38% NDP 32% OLP 21% 2025-02-15 2025-02-16 PCPO 38% NDP 32% OLP 21% 2025-02-16 2025-02-17 PCPO 37% NDP 33% OLP 22% 2025-02-17 2025-02-18 PCPO 37% NDP 33% OLP 22% 2025-02-18 2025-02-19 PCPO 38% NDP 33% OLP 22% 2025-02-19 2025-02-20 PCPO 38% NDP 33% OLP 22% 2025-02-20 2025-02-21 PCPO 37% NDP 33% OLP 22% 2025-02-21 2025-02-22 PCPO 37% NDP 33% OLP 22% 2025-02-22 2025-02-23 PCPO 37% NDP 34% OLP 22% 2025-02-23 2025-02-24 PCPO 37% NDP 34% OLP 22% 2025-02-24 2025-02-25 PCPO 37% NDP 34% OLP 22% 2025-02-25 2025-02-26 PCPO 38% NDP 33% OLP 22% 2025-02-26 2025-02-27 PCPO 37% NDP 34% OLP 22% 2025-02-27 2025-02-28 NDP 42% PCPO 35% OLP 17% 2025-02-28 2025-06-07 NDP 42% PCPO 35% OLP 17% 2025-06-07 2025-06-27 NDP 41% PCPO 35% OLP 17% 2025-06-27 2025-07-27 NDP 41% PCPO 36% OLP 17% 2025-07-27 2025-08-31 PCPO 40% NDP 37% OLP 17% 2025-08-31

Odds of winning | St. Catharines

OLP <1% PCPO 73% NDP 27% Odds of winning the most seats 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 2025-02-01 2025-03-01 2025-04-01 2025-05-01 2025-06-01 2025-07-01 2025-08-01 2025-09-01 2025-10-01 2025-11-01 2025-12-01 Election 2025 OLP PCPO NDP August 31, 2025 2025-01-27 PCPO 77% NDP 23% OLP <1% 2025-01-27 2025-01-29 PCPO 78% NDP 22% OLP <1% 2025-01-29 2025-01-31 PCPO 88% NDP 12% OLP <1% 2025-01-31 2025-02-02 PCPO 85% NDP 15% OLP <1% 2025-02-02 2025-02-03 PCPO 82% NDP 18% OLP <1% 2025-02-03 2025-02-04 PCPO 89% NDP 11% OLP <1% 2025-02-04 2025-02-05 PCPO 90% NDP 10% OLP <1% 2025-02-05 2025-02-06 PCPO 92% NDP 8% OLP <1% 2025-02-06 2025-02-07 PCPO 92% NDP 8% OLP <1% 2025-02-07 2025-02-08 PCPO 86% NDP 14% OLP <1% 2025-02-08 2025-02-09 PCPO 83% NDP 17% OLP <1% 2025-02-09 2025-02-10 PCPO 86% NDP 14% OLP <1% 2025-02-10 2025-02-11 PCPO 90% NDP 10% OLP <1% 2025-02-11 2025-02-12 PCPO 93% NDP 7% OLP <1% 2025-02-12 2025-02-13 PCPO 93% NDP 7% OLP <1% 2025-02-13 2025-02-14 PCPO 91% NDP 9% OLP <1% 2025-02-14 2025-02-15 PCPO 87% NDP 13% OLP <1% 2025-02-15 2025-02-16 PCPO 87% NDP 13% OLP <1% 2025-02-16 2025-02-17 PCPO 79% NDP 21% OLP <1% 2025-02-17 2025-02-18 PCPO 79% NDP 21% OLP <1% 2025-02-18 2025-02-19 PCPO 84% NDP 16% OLP <1% 2025-02-19 2025-02-20 PCPO 84% NDP 16% OLP <1% 2025-02-20 2025-02-21 PCPO 75% NDP 25% OLP <1% 2025-02-21 2025-02-22 PCPO 75% NDP 25% OLP <1% 2025-02-22 2025-02-23 PCPO 74% NDP 26% OLP <1% 2025-02-23 2025-02-24 PCPO 74% NDP 26% OLP <1% 2025-02-24 2025-02-25 PCPO 74% NDP 26% OLP <1% 2025-02-25 2025-02-26 PCPO 82% NDP 18% OLP <1% 2025-02-26 2025-02-27 PCPO 70% NDP 29% OLP <1% 2025-02-27 2025-02-28 NDP 97% PCPO 3% OLP <1% 2025-02-28 2025-06-07 NDP 85% PCPO 15% OLP <1% 2025-06-07 2025-06-27 NDP 84% PCPO 16% OLP <1% 2025-06-27 2025-07-27 NDP 78% PCPO 22% OLP <1% 2025-07-27 2025-08-31 PCPO 73% NDP 27% OLP <1% 2025-08-31