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.

U.S. Domestic Voters
Overseas & Military Voters

Connecticut Federal and State Elections

Tue Jan 6, 2026 - Connecticut State House District 25 Special Election

Voter Registration Deadline

Hand Delivered by
Fri Dec 19, 2025
Postmarked by
Fri Dec 19, 2025
In-Person Request by
Mon Jan 5, 2026 8:00PM

Absentee Ballot Request Deadline

Submitted by
Mon Jan 5, 2026

Absentee Ballot Return Deadline

In-Person, Received by
Mon Jan 5, 2026
Post Received by
Tue Jan 6, 2026 8:00PM
Received in Dropbox by
Tue Jan 6, 2026 8:00PM

Early Voting Available

Early Voting

Dec 31, Jan 2, 3 and 4th from 10 AM to 6 PM

From Wed Dec 31, 2025 to Sun Jan 4, 2026

Tue Jan 13, 2026 - Connecticut State House District 139 Special Election

Voter Registration Deadline

Hand Delivered by
Fri Dec 26, 2025
In-Person Request by
Mon Jan 12, 2026 8:00PM

Absentee Ballot Request Deadline

Postmarked by
Fri Dec 26, 2025
Submitted by
Mon Jan 12, 2026

Absentee Ballot Return Deadline

In-Person, Received by
Mon Jan 12, 2026
Post Received by
Tue Jan 13, 2026 8:00PM
Received in Dropbox by
Tue Jan 13, 2026 8:00PM

Early Voting Available

Early Voting
From Thu Jan 8, 2026 to Sun Jan 11, 2026

Connecticut Local Elections

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

Connecticut Federal and State Elections

Tue Jan 6, 2026 - Connecticut State House District 25 Special Election

Voter Registration Deadline

Submitted by
Tue Jan 6, 2026 8:00PM

Absentee Ballot Request Deadline

Received by
Mon Jan 5, 2026

Absentee Ballot Return Deadline

Received by
Tue Jan 6, 2026 8:00PM

Tue Jan 13, 2026 - Connecticut State House District 139 Special Election

Voter Registration Deadline

Submitted by
Tue Jan 13, 2026 8:00PM

Absentee Ballot Request Deadline

Received by
Mon Jan 12, 2026

Absentee Ballot Return Deadline

Received by
Tue Jan 13, 2026 8:00PM

Connecticut Local Elections

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

What's On My Ballot

Go to the Sample Ballot Lookup for candidate names and to learn of any ballot measures and proposed state constitutional amendments on your ballot.

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