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 Aug 11, 2026 - Connecticut Congressional, State and Gubernatorial Primary Election
Voter Registration Deadline
- Last Date to Change Party Affiliation by
Mon May 11, 2026 - Hand Delivered by
Fri Jul 24, 2026 - Postmarked by
Fri Jul 24, 2026 - In-Person, Received by
Mon Aug 10, 2026 12:00PM
Absentee Ballot Request Deadline
- Submitted by
Mon Aug 10, 2026 - Emergency Ballot Period
From Wed Aug 5, 2026 to Mon Aug 10, 2026
Absentee Ballot Return Deadline
- In-Person, Received by
Mon Aug 10, 2026 - Post Received by
Tue Aug 11, 2026 8:00PM - Received in Dropbox by
Tue Aug 11, 2026 8:00PM
Early Voting Available
Early VotingFrom Mon Aug 3, 2026 to Sun Aug 9, 2026
Connecticut Local Elections
Connecticut Federal and State Elections
Tue Aug 11, 2026 - Connecticut Congressional, State and Gubernatorial Primary Election
Voter Registration Deadline
Submitted byTue Aug 11, 2026 8:00PM
Absentee Ballot Request Deadline
Received byMon Aug 10, 2026
Absentee Ballot Return Deadline
Received byTue Aug 11, 2026 8:00PM
Connecticut Local Elections
Go to the Sample Ballot Lookup for candidate names and to learn of any ballot measures and proposed state constitutional amendments on your ballot.
Select a State to View Election Dates and Deadlines