Thornhill: 2025 federal election results
Melissa Lantsman (Conservative) won Thornhill in the April 28, 2025 federal election with 66.4% of the vote, 23,546 votes (35.2 points) ahead of Liane Kotler (Liberal). 66,918 valid votes were counted in this Ontario riding.
Results by candidate
| Candidate | Votes | Share |
|---|---|---|
| Melissa Lantsman · Conservativeelectedincumbent Parliamentarian · Toronto, Ont. | 44,419 | 66.4% |
| Liane Kotler · Liberal Journalist · Toronto, Ont. | 20,873 | 31.2% |
| William McCarty · NDP IT Coordinator · Toronto, Ont. | 833 | 1.2% |
| Amir Hart · People's Party Administrative Assistant · Thornhill, Ont. | 440 | 0.7% |
| Dominic Piotrowski · Green Plant Technician · Brampton, Ont. | 353 | 0.5% |
Source: Elections Canada, official results of the April 28, 2025 general election. Candidates marked as incumbents follow Elections Canada's table. Results are not updated for by-elections or floor-crossings since; changes we have recorded are listed above the results.
Turnout and electors
- Voter turnout
- 68.9%
- Registered electors
- 98,136
- Population (2021 census)
- 124,866
- Valid ballots
- 66,918
- Rejected ballots
- 663
- Winning margin
- 23,546 votes
How Thornhill compares
- The 303rd-closest race of 343 ridings: a margin of 23,546 votes (35.2 points).
- Conservative candidates won 41.3% of votes nationally; Melissa Lantsman took 66.4% here, 25.1 points above that.
- Turnout was 68.9%, 0.1 points below the national figure of 69%.
Nearby ridings
- Willowdale · Ali Ehsassi (Liberal)
- York Centre · Roman Baber (Conservative)
- Richmond Hill South · Vincent Ho (Conservative)
- Humber River—Black Creek · Judy Sgro (Liberal)
- Don Valley North · Maggie Chi (Liberal)
- Vaughan—Woodbridge · Michael Guglielmin (Conservative)