Find nonpartisan voter education and local coverage for Connecticut. A summary of Connecticut voting rules is below, and each county on the map has its own page.
Explore Connecticut Planning regions
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All 9 Connecticut planning regions (A–Z)
- Capitol Planning Region
- Greater Bridgeport Planning Region
- Lower Connecticut River Valley Planning Region
- Naugatuck Valley Planning Region
- Northeastern Connecticut Planning Region
- Northwest Hills Planning Region
- South Central Connecticut Planning Region
- Southeastern Connecticut Planning Region
- Western Connecticut Planning Region
Voting in Connecticut
Voting rules are set by each state. This is a summary of Connecticut voting rules, checked Nov. 4, 2026, from Vote.gov (U.S. government), the National Conference of State Legislatures (NCSL) and Ballotpedia. Rules and dates can change, so confirm with Connecticut’s official election website or your local election office before each election.
Registering to vote
- Online: by 18 days before Election Day.
- By mail: must be postmarked 18 days before Election Day.
- In person: available through Election Day (same-day registration).
- Register or check your registration (Connecticut on Vote.gov)
Primary elections
Connecticut primaries are closed: only voters enrolled in a party can vote in its primary. Unaffiliated voters can enroll in a party in person until noon the day before the primary.
Voter ID
Connecticut asks voters to show an ID, and non-photo IDs are accepted. If you don’t have one, there are other ways to cast a ballot that counts, depending on state rules.
Early voting
Starts: Fifteen days before election. Ends: Two days before election. Locations and hours are set locally.
Voting by mail
Any Connecticut voter can request an absentee/mail ballot. No excuse is needed.
Your local election office
In Connecticut, many elections are run by your city or town clerk rather than the county. Find contact information for your local election office on Connecticut’s official election website.
Sources: Vote.gov (registration deadlines); NCSL voter ID (updated Sept. 3, 2026), early voting (updated Aug. 11, 2026) and absentee voting (updated July 17, 2026); Ballotpedia primary types (as of Aug. 2026).