Algoma—Manitoulin: 2025 Ontario election results

Bill Rosenberg (PC) won Algoma—Manitoulin in the February 27, 2025 Ontario general election with 41.3% of the vote, 3,854 votes (14.1 points) ahead of David Timeriski (NDP). 27,253 valid votes were counted.

Bill Rosenberg
Elected for Progressive Conservative
3,854 voteswinning margin (14.1 points)
Bill Rosenberg 41.3%David Timeriski 27.2%Reg Niganobe 14.5%Michael Mantha 11.9%

Results by candidate

Algoma—Manitoulin 2025 results by candidate
CandidatePartyVotesShare
Bill RosenbergelectedProgressive Conservative11,263
41.3%
David TimeriskiNew Democratic7,409
27.2%
Reg NiganobeLiberal3,948
14.5%
Michael ManthaIndependent3,238
11.9%
Sheldon PresseyNew Blue718
2.6%
Maria LegaultGreen677
2.5%

Source: Elections Ontario, Official Return from the Records for the 2025 general election, and 2022 electoral district boundaries.

How it compares

  • The 38th-closest race of 124 ridings: a margin of 3,854 votes (14.1 points).
  • Progressive Conservative candidates won 43% of the vote across Ontario; Bill Rosenberg took 41.3% here, 1.7 points below that.
  • This riding changed hands: New Democratic won it at the previous election.

Nearby ridings