To be eligible to vote you must be:

• 18 years of age or older on Election Day (you may register at 17 years old if you are 18 years old by the next election date)
• A U.S. citizen
• Domiciled in New Hampshire

Incarcerated Voters & Returning Citizens: 

In New Hampshire, 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: 

Citizens don't need 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. In New Hampshire, you must provide proof that your domicile is in the town or ward where you intend to vote. Proof can be either by a document or by affidavit. This could be a note from a homeless shelter or other service provider located in the town or ward where you will vote that confirms they will receive US mail sent to you at that address.