To be eligible to vote you must be:

• Registered
• At least 18 years old on or before Election Day
• A U.S. citizen
• A resident of Montana and of the county in which you intend to vote for at least 30 days (you must provide an address to prove you live in the county)
• Not convicted of a felony, serving a sentence in a penal institution
• Not judged in a court of law to be of unsound mind

Incarcerated Voters & Returning Citizens: 

In Montana, you only lose your right to vote if you are currently incarcerated for a felony conviction. If you lost your voting rights because of a conviction, you could register to vote immediately after release. Your voting rights are not restricted by pretrial detention, misdemeanors, probation, or parole.  

Voters without traditional residence: 

It is not mandatory for citizens to possess a "permanent home" for voter registration. A citizen can provide an alternative description of their residence, even if they are experiencing homelessness, as long as it enables the authorities to identify and assign a voting precinct to them. This precinct assignment ensures that the voter receives the appropriate ballot. The mailing address on their registration form can be a PO box, local shelter, advocacy organization, outreach center, or the home of someone who will accept mail for them.