Last updated: June 11, 2026

How to vote in Montana

Get registered

Check your registration status Register to vote in Montana Pre-register to vote (ages 13-17)

Get informed

Sign up for election reminders Contact your local election office

Plan your vote

Request your Montana absentee or mail-in ballot Find out where to vote

Follow up

Track your Montana ballot

On this page

Voting deadlines
Voter registration
Absentee and mail ballots
Voting in person
State and local election offices
External resources

Key deadlines in Montana

Voter registration deadlines

By mail: Postmarked by 30 days before Election Day
In person: Election Day (via same-day registration)

Absentee ballot request deadlines

By mail: Received by 1 day before Election Day at 12PM
In person: 1 day before Election Day at 12PM

Absentee ballot return deadlines

By mail: Received by Election Day
In person: Received by Election Day

Voting dates

Early voting starts: 30 days before the election
Early voting ends: 1 day before Election Day

Montana voter registration guide

What are the voter registration deadlines?

How do I know if I'm registered to vote?

Who can register to vote in Montana?

Can I register to vote online in Montana?

Can I register to vote via mail in Montana?

Can I register to vote in person in Montana?

Can I register to vote on Election Day?

I've moved. Do I have to update my registration?

I'm not 18 yet. When can I submit my registration in Montana?

I have a felony conviction. Can I register to vote in Montana?

Montana absentee and mail ballot guide

What are the deadlines for requesting and returning mail-in ballots?

Who can vote absentee in Montana?

Can I request my ballot online in Montana?

Can I request my ballot via mail in Montana?

Can I request my ballot in person in Montana?

What if I always want to vote by mail? Do I have to request a ballot every time?

What ID is required to vote by mail in Montana?

I had an emergency come up after the Montana ballot request deadline. Is there any way I can still get a ballot?

I have a ballot. How do I return it?

How can I track my mail-in ballot?

Can my mail-in ballot be rejected? And if so, what can I do?

I am in the military or overseas. How do I vote?

Montana voting guide

Can I vote early?

Where do I vote?

What type of ID do I need to show when I vote?

Can I use my student ID as identification when voting?

I cast a provisional ballot. How do I know if it was counted?

Your election officials in Montana

How do I reach my local election office?

Who is in charge of Montana elections?

External resources

Where can I find voting resources for Montana?

What are the sources for information on this page?

How to vote

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