How do I register to vote or check my registration?

Supervisors of the Checklist / City or Town Clerk (municipal level - each of NH's ~234 cities and towns) / New Hampshire Secretary of State (state level)

Details

What you need to know

Fee

Free ADVANCE REGISTRATION DEADLINE: 6-13 days before Election Day (varies by municipality - check your town/city) ELECTION DAY REGISTRATION: YES - at polling place through close of polls NO ONLINE REGISTRATION: NH does NOT offer online voter registration CHECK YOUR REGISTRATION: sos.nh.gov elections voter lookup tool ABSENTEE VOTING: New Hampshire has EXCUSE-REQUIRED absentee voting - not no-excuse; qualifying excuses include: absence from county/city/town on Election Day; physical disability preventing public appearance; religious observance; illness; serving as election official; 2025 update: mail ballot applications now require ID copy, notarized signature, OR in-person ID verification with county officials NO EARLY IN-PERSON VOTING: New Hampshire does NOT offer in-person early voting (unlike most states) ONLINE OPTION: NO online registration; absentee applications available on sos.nh.gov; check registration at sos.nh.gov WHERE TO GO: City or Town Clerk; Supervisors of the Checklist meeting; polling place on Election Day

Online Option

NO online registration; absentee applications available on sos.nh.gov; check registration at sos.nh.gov

Where to Go

City or Town Clerk; Supervisors of the Checklist meeting; polling place on Election Day

New Hampshire Notes

Important state-specific details

NO online voter registration and NO in-person early voting - NH is distinctive in this.
EXCUSE-REQUIRED absentee voting; 2025 law added ID requirements for mail ballot applications.
ELECTION DAY REGISTRATION: available at polling place - very accessible on Election Day itself.
PROOF OF CITIZENSHIP required at registration: NH requires documentary evidence of citizenship.
FELONY VOTING RIGHTS: automatically restored immediately upon release from prison - parole and probation do NOT restrict voting rights in NH; only currently incarcerated individuals cannot vote; election-related bribery and intimidation felonies are permanent exceptions.
PHOTO ID required to vote at the polls; student IDs no longer accepted as of June 2, 2026; acceptable: driver's license (any state), government-issued photo ID, armed services ID, U.S. passport; without qualifying ID: complete Challenged Voter Affidavit.
Undeclared voters can vote in either party's primary; registered party members may only vote in their own party's primary.
Polls open 6:00 AM - 7:00 PM in most towns (some open 11:00 AM in small towns - varies).

Official Source

State office contact

State Office

New Hampshire Secretary of State, Elections - sos.nh.gov/elections | (603) 271-3242; City/Town Clerk or Supervisors of the Checklist (varies by municipality)