Jennie Stevens (NDP) won St. Catharines in the February 27, 2025 Ontario general election with 42.1% of the vote, 3,266 votes (7 points) ahead of Sal Sorrento (PC). 46,745 valid votes were counted.
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Jennie Stevenselected | New Democratic | 19,688 | 42.1% |
| Sal Sorrento | Progressive Conservative | 16,422 | 35.1% |
| Robin McPherson | Liberal | 8,092 | 17.3% |
| Stephen Vincelette-Smith | Green | 1,033 | 2.2% |
| Rob Atalick | New Blue | 807 | 1.7% |
| Natalia Benoit | Stop New Sex-Ed Agenda | 347 | 0.7% |
| Liz Leeuwenburg | Ontario Party | 300 | 0.6% |
| J. Justin O'Donnell | Other | 56 | 0.1% |
Source: Elections Ontario, Official Return from the Records for the 2025 general election, and 2022 electoral district boundaries.