Montana Election Dates and Deadlines

Welcome to the Montana Election Dates and Deadlines listing from U.S. Vote Foundation.

Here you can find out when Montana elections will be held at the local, state and federal election level. There are many different deadlines associated with Montana elections, such as voter registration deadlines, absentee ballot request and ballot return deadlines, date ranges for early voting, and in-person voting options. No matter the type of election, or whether you are voting at home or voting from abroad, this service will provide you with comprehensive election dates and deadlines for your voting state of Montana.

Montana Federal and State Elections

There are currently no upcoming state or federal elections identified for this state.

Montana Local Elections

Tue May 6, 2025 - Montana School Districts Election

Voter Registration Deadline

  • Postmarked by

    Registration forms postmarked by this date and received within 3 days are accepted for regular registration


    Mon Apr 7, 2025
  • Submitted by
    Mon Apr 7, 2025
  • Late Registration: Must be received and verified by
    Tue May 6, 2025 5:00PM

Absentee Ballot Request Deadline

  • Received by
    Mon May 5, 2025 12:00PM
  • Emergency Ballot Period

    Voters with an illness or health emergency between Friday 5 PM before the election and before the close of polls on election day may request an absentee ballot. Contact your Local Election Office.


    From Fri May 2, 2025 to Tue May 6, 2025

Absentee Ballot Return Deadline

Received by
Tue May 6, 2025 8:00PM

Early Voting Available

In-Person Absentee Voting
Contact Local Election Office to Confirm Dates and Times

Tue May 6, 2025 - Montana Special Districts Election

Voter Registration Deadline

  • Postmarked by

    Registration forms postmarked by this date and received within 3 days are accepted for regular registration


    Mon Apr 7, 2025
  • Submitted by
    Mon Apr 7, 2025
  • Late Registration: Must be received and verified by
    Tue May 6, 2025 5:00PM

Absentee Ballot Request Deadline

  • Received by
    Mon May 5, 2025 12:00PM
  • Emergency Ballot Period

    Voters with an illness or health emergency between Friday 5 PM before the election and before the close of polls on election day may request an absentee ballot. Contact your Local Election Office.


    From Fri May 2, 2025 to Tue May 6, 2025

Absentee Ballot Return Deadline

Received by
Tue May 6, 2025 8:00PM

Early Voting Available

In-Person Absentee Voting
Contact Local Election Office to Confirm Dates and Times

Tue Sep 9, 2025 - Montana Municipal Primary Election

Voter Registration Deadline

  • Postmarked by

    Registration forms postmarked by this date and received within 3 days are accepted for regular registration.


    Mon Aug 11, 2025
  • Submitted by
    Mon Aug 11, 2025
  • Late Registration: Must be received and verified by
    Tue Sep 9, 2025 5:00PM

Absentee Ballot Request Deadline

  • Received by
    Mon Sep 8, 2025 12:00PM
  • Emergency Ballot Period

    Voters with an illness or health emergency between Friday 5 PM before the election and before the close of polls on election day may request an absentee ballot. Contact your Local Election Office.


    From Fri Sep 5, 2025 to Tue Sep 9, 2025

Absentee Ballot Return Deadline

Received by
Tue Sep 9, 2025 8:00PM

Early Voting Available

In-person Absentee Voting
From Sun Aug 10, 2025 to Mon Sep 8, 2025

Montana Federal and State Elections

There are currently no upcoming state or federal elections identified for this state.

Montana Local Elections

Tue May 6, 2025 - Montana School Districts Election

Voter Registration Deadline

Received by
Tue May 6, 2025 8:00PM

Absentee Ballot Request Deadline

Received by
Tue May 6, 2025 8:00PM

Absentee Ballot Return Deadline

  • Email, Online or Fax by
    Tue May 6, 2025 8:00PM
  • Received by
    Tue May 6, 2025 8:00PM
  • Postmarked On or Before Election Day and Received by

    This is the deadline for submitting a federal write-in absentee ballot (FWAB).


    Mon May 12, 2025 3:00PM

Tue May 6, 2025 - Montana Special Districts Election

Voter Registration Deadline

Received by
Tue May 6, 2025 8:00PM

Absentee Ballot Request Deadline

Received by
Tue May 6, 2025 8:00PM

Absentee Ballot Return Deadline

  • Email, Online or Fax by
    Tue May 6, 2025 8:00PM
  • Received by
    Tue May 6, 2025 8:00PM
  • Postmarked On or Before Election Day and Received by

    This is the deadline for submitting a federal write-in absentee ballot (FWAB).


    Mon May 12, 2025 3:00PM

Tue Sep 9, 2025 - Montana Municipal Primary Election

Voter Registration Deadline

Received by
Tue Sep 9, 2025 8:00PM

Absentee Ballot Request Deadline

Received by
Tue Sep 9, 2025 8:00PM

Absentee Ballot Return Deadline

  • Postmarked On or Before Election Day and Received by

    This is the deadline for submitting a federal write-in absentee ballot (FWAB).


    Tue Sep 9, 2025 3:00PM
  • Email, Online or Fax by
    Tue Sep 9, 2025 8:00PM
  • Received by
    Tue Sep 9, 2025 8:00PM

What's On My Ballot

Go to the Sample Ballot Lookup for candidate names and to learn of any ballot measures and proposed state constitutional amendments on your ballot.

Select a State to View Election Dates and Deadlines

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