Vote in Montana
It's important and easy to do.

Voting Questions or Concerns?
Call 406-888-VOTE (8683).
How to Register to Vote
In Montana, you can register to vote up until 8:00 pm on Election Day.
You are eligible to vote if you are:
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a U.S. citizen
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at least 18 years old on Election Day
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living in Montana for 30 days before the election*
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not currently incarcerated for a felony
*Note to students: The state has different residency rules than the universities. You only need to be living here 30 days before the election in order to register & vote. You may only register & vote at one location, either your address at school or your address at home.
Voter Registration Deadlines for 2026 Elections
Registering In-Person
You can register to vote in-person at your County Elections office through Election Day. This means that as long as you're physically in line to register to vote by 8:00 pm on Tuesday, June 2nd, for Primary Elections or 8 p.m. on Tuesday, November 3rd for General Elections, you will be allowed to register and vote.
Primary Mail Voter Registration Deadline: Postmarked by May 4, 2026 and received within 3 days
General Mail Voter Registration Deadline: Postmarked by October 5th, 2026 and received within 3 days
Primary In-person Registration Deadline: June 2nd, 2026 at 8:00 pm
General In-person Registration Deadline: November 3rd, 2026 at 8:00 pm
In-Person Voter Registration
When registering to vote in-person, you will be asked to complete the Montana Voter Registration Application. See what the form looks like here.
Blank registration forms will be provided at your in-person voter registration location. You may also print out the form yourself, fill it out at home, and drop it off at your in-person registration location.
If you are registering to vote in-person within 25 days of an election, you will likely be issued an absentee ballot at the same time as you complete your in-person voter registration. You may vote your ballot on the spot or take it home to fill out later.
Identification
Be prepared to provide proof of your identity when you register to vote. Legal forms of identification include:
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Valid Montana Driver’s License
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Montana State Identification Card
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Military ID
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Tribal ID
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U.S. Passport
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Montana Concealed Carry Permit
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Student Photo Identification Card Issued by the Montana University System or a school that is a member of the National Association of Intercollegiate Athletics.
If a voter doesn’t have any of these forms of ID, it is possible to use any photo ID showing the voter’s name; AND a current utility bill, bank statement, paycheck, government check, or other government document that shows the voter’s name and current address.