2 candidates are tracked for Montana House District 59 on the November 3, 2026 ballot: Katie Fire Thunder and Marc Greendorfer. Candidate information follows official Gallatin County election filings; verify with the official election office linked below.
Katie Fire Thunder (Democratic), Marc Greendorfer (Republican) are on the November 3, 2026 ballot for Montana House District 59. Katie Fire Thunder is the sitting member, per the Secretary of State's list. Party nominees were chosen at the June 2, 2026 primary, per the Montana Secretary of State's 2026 candidate list.
State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.
This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Katie Fire Thunder, is on the ballot.
Montana › Gallatin County › Montana House District 59
Democratic Incumbent
Katie is a legal assistant at the Gallatin County Attorney's Office and co-founder of Bozeman Tenants United, a group focused on safe and affordable housing, per the Bozeman Daily Chronicle. The Gallatin County Commission appointed her to the House District 59 seat in December 2025, and she has said she was raised in Bozeman by a single mother. No campaign website was found as of September 17, 2026.
Republican
Per the campaign site.
Marc is a civil rights attorney at a non-profit civil rights advocacy organization and also maintains a small corporate law practice focused on business creation and counseling, per the campaign site.
Who is running for Montana House District 59 in 2026?
2 candidates are tracked for Montana House District 59 on the November 3, 2026 ballot: Katie Fire Thunder and Marc Greendorfer. Candidate information follows official Gallatin County election filings; verify with the official election office linked below.
When is the Montana House District 59 election in Montana?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Montana are on the Montana election hub at theballotbrief.com.
How do I see my exact Gallatin County ballot?
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Candidate roster from official Gallatin County and state election office filings. Bios and priorities carry their attribution inline.
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