Voter Registration in Connecticut

Attention:In this election year state voter information and identification requirements may change. Please check with the state Secretary of the State's website to receive the most current information.

Voter Registration in Connecticut

Connecticut residents can register to vote by completing and submitting a voter registration application.

The Connecticut Secretary of the State (SOTS) oversees voter registration. Local registrars manage registration applications and other voting issues.

Read below for more information about registering to vote in Connecticut.

Voter Eligibility in Connecticut

In order to register to vote in Connecticut, you must be:

  • A United States citizen.
  • A resident of Connecticut.
  • At least 17 years old to register and 18 years old on or before Election Day.

NOTE: If you have a felony conviction, you CANNOT vote if you are imprisoned or on parole.

Register to Vote in Connecticut

You can register to vote in CT:

  • Online.
  • By mail.
  • In person.

You are not officially registered to vote until your application has been approved. You should receive approval confirmation within 3 weeks. If you do not receive conformation, contact your local Registrar of Voters.


Connecticut residents can register to vote online through the Online Voter Registration System.

To register online, you must have a valid CT driver's license, permit, or photo ID card, and a signature on file with the DMV.

When applying online:

  • Complete all the required fields as you go through the application.
  • Understand that you are not a registered voter until you are approved by the Registrar of Voters.
    • You'll receive confirmation within 3 weeks. If you don't get confirmation, check with your Registrar of Voters.

By Mail

To register to vote by mail:

NOTE: Although the form can be folded and mailed, be sure to mail it in an envelope if you print it at home so that it arrives undamaged.

In Person

You can also take your completed State of Connecticut Mail-In Voter Registration (Form ED-671 S) to your local town hall or voter registration office.

Election Day Registration in CT

You can register to vote on Election Day if you are eligible to vote in CT AND you:

  • Are registering for the first time.
  • Have moved to a new town.

You MUST provide identification and proof of residency to register on Election Day.

Contact your local Registrar of Voters for Election Day registration locations. (You CANNOT register at polling places.)

Military and Out-of-State CT Voters

Out-of-State Residents

Out-of-state Connecticut residents can register to vote by mail. (See “Register to Vote in CT" above.)

If you'll be outside of CT during the election, you may wish to vote absentee. The CT SOTS provides instructions on absentee voting.

College Students

If you are going to school in another town, you can register to vote:

  • In your hometown.
  • Where you attend school.

You CANNOT register to vote in more than one location.

Military & Overseas Voter Registration

Connecticut residents who are out of state for military service (and their dependents) OR living overseas can register to vote online or by mail (See “Register to Vote in CT" above).

The Federal Voting Assistance Program also allows military and overseas voters to both register AND request an absentee ballot by completing the Federal Post Card Application (Form 76). You can use the FVAP's online assistant to help you complete the application.

For more information on military voting, see the CT SOTS website or the Absentee Voting by Military and Citizens Overseas guide.

Deadlines to Register to Vote in CT

The deadline to register to vote in CT depends on the election type. Your registration must be delivered or postmarked by the following deadlines:

  • Primary:
    • 5th day before the primary if registering online or postmarked if by mail.
    • By 12 p.m. the last business day before the primary, if registering in person.
  • Election:
    • The 7th day before the election if registering online or by mail.
    • By the 7th day before the election date if registering in person.

NOTE: You may be able to register to vote in person on Election Day at specific locations. See “Register to Vote in CT" above for more information.

Change Your CT Voter Registration

You must change your voter registration if you:

  • Move to CT.
  • Move to a new town.
  • Move to a new address in the same town.
  • Change your name.

To update your registration:

You can update your information on Election Day ONLY IF you are changing your address.

  • See our “Register to Vote in CT" section for more information on registering the day of the election.

NOTE: If you move to a new town, you must re-register in your new town of residence. See “Register to Vote in CT" above.

Check Your CT Voter Registration

You can check your voter registration status and information with the Connecticut SOTS Voter Registration Lookup.

Contact your local Registrar of Voters if you have questions or concerns.

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