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

  • At DMV and other State Agencies by

    To vote during the Early Voting Period


    Fri Jul 26, 2024
  • Postmarked by

    To vote during the Early Voting Period


    Fri Jul 26, 2024
  • At DMV and other State Agencies by

    To vote on Election Day, Aug 13th


    Thu Aug 8, 2024
  • Postmarked by

    To vote on Election Day, Aug 13th


    Thu Aug 8, 2024
  • In-Person Request by
    Mon Aug 12, 2024

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
  • Received in Dropbox by
    Tue Aug 13, 2024 8:00PM

Early Voting Available

Early Voting
From Mon Aug 5, 2024 to Sun Aug 11, 2024

May 13, 2024: Last day that a registered voter already affiliated with a political party can transfer to another party and be able to vote in the Aug 13th Connecticut state primary.

Aug 2, 2024: Deadline for unaffiliated voters who seek to vote during the early voting period to file a (party) enrollment application with the registrar of voters.

Voter registration for new voters who wish to vote during the early voting period (Aug 5 through Aug 11) must register in person by noon on the business day before the day they vote.

Tue Nov 5, 2024 - Connecticut General Election

Voter Registration Deadline

  • In-Person, Received by
    Fri Oct 18, 2024
  • Online by
    Fri Oct 18, 2024
  • Postmarked by
    Fri Oct 18, 2024
  • Election Day Registration & Voting
    Tue Nov 5, 2024 8:00PM
  • Same Day Registration & Voting
    From Mon Oct 21, 2024 to Sun Nov 3, 2024

Absentee Ballot Request Deadline

Submitted by
Mon Nov 4, 2024

Absentee Ballot Return Deadline

  • In-Person, Received by
    Tue Nov 5, 2024
  • Post Received by
    Tue Nov 5, 2024 8:00PM
  • Received in Dropbox by
    Tue Nov 5, 2024 8:00PM

Early Voting Available

Early Voting
From Mon Oct 21, 2024 to Sun Nov 3, 2024

What's On My Ballot? Go to Sample Ballot Lookup for candidate names and to learn of any ballot measures and proposed state constitutional amendments on your ballot.

Connecticut Local Elections

There are currently no upcoming local elections identified for this state.

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

Absentee Ballot Request Deadline

Received by

Allow enough time for your completed ballot is received by the Election Office by 8 PM on Aug 13th. You may apply for a ballot no earlier than 30 days prior to this election .


Mon Aug 12, 2024

Absentee Ballot Return Deadline

Received by
Tue Aug 13, 2024 8:00PM

Tue Nov 5, 2024 - Connecticut General Election

Voter Registration Deadline

Submitted by
Tue Nov 5, 2024 8:00PM

Absentee Ballot Request Deadline

Overseas Ballot Request

You may apply for a ballot no earlier than 45 days prior to this election.


Received by

You may apply for a ballot no earlier than 45 days prior to this election.


Mon Nov 4, 2024

Absentee Ballot Return Deadline

Received by
Tue Nov 5, 2024 8:00PM

Connecticut Local Elections

There are currently no upcoming local elections identified for this state.

Select a State to View Election Dates and Deadlines

US Map
Know About an Election We Don't Cover?