York—Simcoe, ON — September 3, 2026 Provincial By-Election

Name: September 3, 2026 Ontario By-election — York—Simcoe
Creator: Stephen Taylor
License: https://creativecommons.org/publicdomain/zero/1.0/

Elected: Susan Lahey, Progressive Conservative · Progressive Conservative hold
Turnout: 21%
Vacancy: Caroline Mulroney, a cabinet minister, resigned.
Boundaries: The polling divisions of the 2025 general election: York—Simcoe in 2025

York—Simcoe — September 3, 2026 By-election Results

Poll-by-poll results for York—Simcoe in the September 3, 2026 Ontario by-election. Explore detailed voting data, candidate results, and turnout statistics at the poll level.