Connecticut Election Dates and Deadlines

Welcome to the Connecticut Election Dates and Deadlines listing from U.S. Vote Foundation.

Here you can find out when Connecticut elections will be held at the local, state and federal election level. There are many different deadlines associated with Connecticut elections, such as voter registration deadlines, absentee ballot request and ballot return deadlines, date ranges for early voting, and in-person voting options. No matter the type of election, or whether you are voting at home or voting from abroad, this service will provide you with comprehensive election dates and deadlines for your voting state of Connecticut.

Connecticut Federal and State Elections

Tue Apr 2, 2024 - Connecticut Presidential Primary

Voter Registration Deadline

  • Online by
    Fri Mar 15, 2024
  • Post Received by

    Mail-in applications must be received by this date for unaffiliated voters; and postmarked by this date for new voters.


    Fri Mar 15, 2024
  • In-Person, Received by
    Mon Apr 1, 2024 12:00PM

Absentee Ballot Request Deadline

Submitted by
Mon Apr 1, 2024 4:00PM EDT

Absentee Ballot Return Deadline

  • In-Person, Received by
    Mon Apr 1, 2024 4:00PM EDT
  • Post Received by
    Tue Apr 2, 2024 8:00PM EDT
  • Received in Dropbox by
    Tue Apr 2, 2024 8:00PM EDT

Early Voting Available

Early Voting

There is no early voting on Friday, March 29th.


From Tue Mar 26, 2024 to Sat Mar 30, 2024

January 2, 2024: Deadline for enrolled party members to transfer enrollment from one party to the other, for voting in their "new" party's presidential primary.

March 25, 2024 12:00 noon: Deadline for unaffiliated voters who seek to vote during the early voting period to file an application with the registrars of voters.

April 1, 2024 12:00 noon: In-person enrollment deadline, for new voters and unaffiliated voters enrolling in a party in person at Town Hall, for voting on the day of the primary.

Contact your Local Election Office for more information.

Tue Aug 13, 2024 - Connecticut State Primary

Voter Registration Deadline

  • Received by
    Thu Aug 8, 2024
  • Election Day Registration & Voting
    Tue Aug 13, 2024 8:00PM EDT

Absentee Ballot Request Deadline

Submitted by
Mon Aug 12, 2024

Absentee Ballot Return Deadline

  • In-Person, Received by
    Mon Aug 12, 2024
  • Post Received by
    Tue Aug 13, 2024 8:00PM EDT
  • Received in Dropbox by
    Tue Aug 13, 2024 8:00PM EDT

Early Voting Available

Early Voting
From Mon Jul 29, 2024 to Sun Aug 11, 2024

Connecticut Local Elections

Tue Feb 27, 2024 - City of Bridgeport Mayoral Special Election

Voter Registration Deadline

  • Received by
    Tue Feb 20, 2024
  • Election Day Registration & Voting
    Tue Feb 27, 2024 8:00PM EST

Absentee Ballot Request Deadline

Submitted by
Mon Feb 26, 2024

Absentee Ballot Return Deadline

  • In-Person, Received by
    Mon Feb 26, 2024
  • Post Received by
    Tue Feb 27, 2024 8:00PM EST
  • Received in Dropbox by
    Tue Feb 27, 2024 8:00PM EST

Early Voting Available

Early Voting
From Mon Feb 12, 2024 to Sun Feb 25, 2024

Connecticut Federal and State Elections

Tue Apr 2, 2024 - Connecticut Presidential Primary

Voter Registration Deadline

Submitted by
Tue Apr 2, 2024 8:00PM EDT

Absentee Ballot Request Deadline

Received by
Mon Apr 1, 2024 4:00PM EDT

Absentee Ballot Return Deadline

Received by
Tue Apr 2, 2024 8:00PM EDT

Tue Aug 13, 2024 - Connecticut State Primary

Voter Registration Deadline

Submitted by
Tue Aug 13, 2024 8:00PM EDT

Absentee Ballot Request Deadline

Received by
Mon Aug 12, 2024

Absentee Ballot Return Deadline

Received by
Tue Aug 13, 2024 8:00PM EDT

Connecticut Local Elections

Tue Feb 27, 2024 - City of Bridgeport Mayoral Special Election

Voter Registration Deadline

Submitted by
Tue Feb 27, 2024 8:00PM EST

Absentee Ballot Request Deadline

Received by
Mon Feb 26, 2024

Absentee Ballot Return Deadline

Received by
Tue Feb 27, 2024 8:00PM EST

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