Montana voter registration guide
Montana voter registration deadlines
- Register to vote (online): N/A
- Register to vote (by mail): Postmarked 30 days before Election Day
- Register to vote (in person): Election Day
Check your Montana voter registration status
- If you can't remember if you're registered to vote, or you want to make sure your information is correct, you can check your Montana registration using the Montana voter registration lookup tool.
- If you're not registered to vote, or you need to update your voter registration information, follow the instructions below.
Montana voter registration rules
To register in Montana you must:
- be a citizen of the United States
- be 18 years old by Election Day
- be a resident of Montana and of the county in which you want to vote for at least 30 days before the next election
- not be in a penal institution for a felony conviction
- not currently be determined by a court to be of unsound mind
- meet these qualifications by the next Election Day if you do not currently meet them.
Montana online voter registration
Montana does not have online voter registration.
Montana by-mail voter registration
- Download and fill out the National Voter Registration Form.
- Box 6 - ID Number: Enter your Montana driver’s license number or the last 4 digits of your social security number. If you don't have either number, please write “NONE” in this space.
- Box 7 - Choice of Party: Montana does not require party registration to participate in any election.
- Box 8 - Race or Ethnic Group: Leave blank.
- Print, date, and sign the form. If you do not have a printer, you can print the form out at any local library. If you do not have a stamp, you can buy one from any grocery store: just ask the cashier to sell you one.
- Mail your voter registration form to the mailing address below. For faster delivery, send the form directly to your local election office.
- Your voter registration form must be postmarked 30 days before Election Day
Montana in-person voter registration
- Contact your local election office to find where to register to vote in person.
- Bring your Montana driver's license or state ID. If you don't have one, bring one photo ID issued by any state or the federal government, and bring one document that shows your name and current address. Acceptable documents include a recent utility bill, bank statement, paycheck, residential lease, or any government document that shows your name and address.
Montana same day registration
- Summary: Montana has same day registration. You can register and vote during the early voting period.
- Where to go:
Go to your Local Election Office. Click here to lookup the address.
- What to bring:
Bring your Montana driver's license or state ID. If you don't have one, bring one photo ID issued by any state or the federal government, and bring one document that shows your name and current address. Acceptable documents include a recent utility bill, bank statement, paycheck, residential lease, or any government document that shows your name and address.
- Need help? Contact your local election office if you have questions.
Registering to vote in Montana with a felony conviction
If you have been convicted of a felony and would like to register to vote, please visit Restore Your Vote. They will help you determine your eligibility and guide you through the process.
Local election office
Contact your local election office if you have questions.
Statewide election office
This is the statewide agency that is ultimately responsible for Montana elections. You can contact them with questions, but your local election office will probably respond faster.
Secretary of State’s Office P.O. Box 202801 State Capitol Helena, MT 59620‐2801