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2 candidates are tracked for Butler County Commissioner on the November 3, 2026 ballot: Michael V. Ryan and Mike Miller. Candidate information follows official Butler County election filings; verify with the official election office linked below.
Sitting Commissioner Cindy Carpenter (R), seeking a fifth term, lost the May 5, 2026 Republican primary to Michael Ryan, a former Hamilton City Council member, per the Journal-News. Ryan faces Democrat Mike Miller, who ran unopposed in the Democratic primary, in the November general election.
Michael Ryan is a former Hamilton City Council member and vice mayor who works as a life insurance underwriter for Western & Southern Financial Group, per his campaign site and the Journal-News.
2026 priorities (per the campaign site)
- Economic development, citing job creation and capital investment in Hamilton during his council tenure
- Fiscal responsibility, including balanced budgets and eliminating general obligation debt
Source: candidate campaign site, roster verified 2026-09-10.
Campaign site →
Mike Miller is a longtime southwest Ohio resident, youth sports coach, and community volunteer, per the Butler County Democratic Party. No campaign website or questionnaire response was found as of September 10, 2026; the official election filing is the only verifiable source for Mike Miller.
