Montana Voter Info
Tuesday, December 23, 2025
Montana
Local Election Office Directory
State Election Office Phone Numbers:
406-444-9608
406-444-2034
Voter Registration Information |
Voting Information |
| Register to Vote | Absentee/ Mail and/or Early Voting |
| Update Your Registration | Track Your Ballot |
| Check Your Registration | In-Person Voting Location Lookup |
| Cancel Your Registration: Contact your local election office. | Military Voters |
| Overseas Citizen Voters | |
| Update Political Party: Montana voters do not register by political party and are not required to declare a political party affiliation. |
| Registration Deadline |
|---|
| 30 days before Election Day by mail |
*In-person late registration at your county office or county-designated location ends at noon the day prior to the election. You can register and vote at your county office or county-designated location on Election Day.
*In Montana, you can still register and vote in the election by late registration at your county election office or designated location until noon the day prior to the election.
Updated on November 12, 2024.