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Montana primary, runoff and general election dates

Montana's next election is the Montana 2026 general election on November 3, 2026. The Montana primary is June 2, 2026 and the general election on November 3, 2026. 4 federal races are tracked in Montana.

See the Montana race hub →All state election dates →

Key dates

Registration deadlines, early voting windows and mail ballot deadlines for Montana have not been published by the state election office for this cycle. We add them here as soon as they are official.

Past Montana election dates (1)
  • June 2, 2026 — Montana 2026 primary (primary)

Races on the Montana ballot

All U.S. House electionsAll U.S. Senate elections

2025–2026 candidates in Montana