Voter registration in Montana is handled by your local county elections office. Registration applications can be dropped on non-holiday weekdays. Voters are required to have a Montana driver's license or be able to verify their last 4 digits of their social security number. Montana Public Voting Records Elections Info
In order to vote in the state of Montana, all of the following must be true.
Be registered as required by law.
Be 18 years old or older on or before the next election.
Be a citizen of the United States.
Have lived in Montana for at least 30 days.
For information regarding voting and elections you can contact your local county office or the Secretary of State.
Montana Secretary of State Linda McCulloch
State Capitol Building
1301 E. 6th Avenue
Helena, MT 59601