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Montana Elections Calendar - 2024 and 2025

Presidential Primary Election - June 4,2024​

State and Federal primaries are held on the first Tuesday after the first Monday in June in each even-numbered year to select the nominees of the major political parties for partisan offices - Both state and federal offices. MT ST § 13-1-107

Poll Hours: 7:00 AM-8:00 PM

June Presidential Primary Election Election's Important Dates:
May 6, 2024 Voter Registration Deadline By Mail, Fax or email attachment: Fill out and sign a voter registration application and drop it off at your county election office, or mail it to the county election administrator. . . Note: The original date is May 5, which is a Sunday. Please double check with your local election office if they have moved this date to Monday - May 6
May 6, 2024 Absentee Ballot voting begins in-person: Absentee ballots must be available 30 days prior to election day for absentee voting in person.
May 7, 2024 Late Registration begins: An elector may register or change the elector's voter registration information after the close of regular registration as provided in 13-2-301 and vote in the election if the election administrator in the county where the elector resides receives and verifies the elector's voter registration information prior to noon the day before the election.
June 3, 2024 Absentee Ballot Request Ends: Deadline for election administrator to receive application for absentee ballot .
June 4, 2024 Voter Registration Deadline In Person: Visit your county election office Monday through Friday between the hours of 8 a.m. and 5 p.m. and complete a registration form. In person registration is available up to and including on Election Day .

General Election - November 5,2024​

November General election is held the Tuesday after the first Monday of the month of November

Poll Hours: 7:00 AM-8:00 PM

November General Election Election's Important Dates:
October 7, 2024 Voter Registration Deadline By Mail, Fax or email attachment: Fill out and sign a voter registration application and drop it off at your county election office, or mail it to the county election administrator.
October 8, 2024 Late Registration begins: An elector may register or change the elector's voter registration information after the close of regular registration as provided in 13-2-301 and vote in the election if the election administrator in the county where the elector resides receives and verifies the elector's voter registration information prior to noon the day before the election.
November 4, 2024 Absentee Ballot Request ends: Deadline for election administrator to receive application for absentee ballot.
November 5, 2024 Voter Registration Deadline In Person: Visit your county election office Monday through Friday between the hours of 8 a.m. and 5 p.m. and complete a registration form. In person registration is available up to and including on Election Day .

Primary Election - September 9,2025​

State and Federal primaries are held on the first Tuesday following the second Monday in September in each odd-numbered year to select the nominees of the major political parties for partisan offices - Both state and federal offices. MT ST § 13-1-107

Poll Hours: 7:00 AM-8:00 PM

September Primary Election Election's Important Dates:
August 10, 2025 Voter Registration Deadline By Mail, Fax or email attachment: Fill out and sign a voter registration application and drop it off at your county election office, or mail it to the county election administrator. . . Note: The original date is August 10, which is a Sunday. Please double check with your local election office if they have moved this date to Monday - August 11
September 8, 2025 In-Person Absentee voting ends: Early voting ends one business day before Election Day. .
September 9, 2025 Voter Registration Deadline In Person: Visit your county election office Monday through Friday between the hours of 8 a.m. and 5 p.m. and complete a registration form. In person registration is available up to and including on Election Day .

NOTES​

This page contains dates and deadlines information on elections occurring in Montana

Election dates,voter registration deadlines,early voting, absenstee voting, and voting hours apply to statewide elections in most cases. However, Check with your Town Clerk for the hours of voting, and voter registration deadlines as they vary by town. Please be advised that these dates are updated regularly but are subject to scheduling changes at the local level.

The information provided on the page was validated using the following resourses: