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Voting in Montana
Montana will hold its 2026 primary elections on June 2. The general election will be held on November 3.
When to Vote
Dates you shouldn’t miss.
Primary Election Dates
All primary elections in Montana are open. Any voter can vote in any party's primary without having to affiliate with or be a member of that party.
Jun 2, 2026
Primary election day
Jun 2, 2026
Voter registration deadline — in person
May 4, 2026
Voter registration deadline — by mail
Jun 1, 2026
Vote by mail request deadline (by mail)
Jun 1, 2026
Vote by mail request deadline (in person)
Jun 3, 2026
Ballot return deadline (must be received)
May 4, 2026–Jun 1, 2026
Early voting
General Election Dates
Plan to Vote
Make a plan to vote
How to Vote
How to vote in Montana
Early Voting
Vote by Mail
Voter ID
Voting FAQs
Can I check to see if I’m registered to vote?
How long does it take to process my voter registration?
How frequently are elections held?
How can I track my absentee ballot status?
Can I register to vote at my student address?
Can I vote without an address?
Can a US citizen without a US address who is living abroad register to vote?
I think my voting rights have been denied. What do I do?