Montana
Requirements
- Be a citizen of the United States. 
- Be registered as required by law. 
- Be 18 years old or older on or before the next election 
- Have lived in Montana for at least 30 days. 
- You cannot vote if you’re a convicted felon serving a sentence in a penal institution. 
- You cannot vote if you’ve been judged in a court of law to be of unsound mind. 
https://sosmt.gov/elections/vote/
Voter Registration Forms
Election Info
ID Required: Yes
Same-Day Registration: Yes
Deadlines
New Voter Registration: November 3
Absentee Ballot Request: November 2