How to register to vote in Connecticut

By NPR staff
  •   Last revised Tuesday, July 14, 2026

Key links

General information Check voter registration status Register online Change registration

Deadlines for Aug. 11 primary election

Online Register by Friday, July 24
By mail Postmarked by Friday, July 24
In person Register by Monday, Aug. 10
Eligible voters can register at their town halls until 12 p.m. local time on Aug. 10.

Deadlines for Nov. 3 general election

Online Register by Friday, Oct. 16
By mail Postmarked by Friday, Oct. 16
In person Register by Tuesday, Nov. 3
Eligible voters can register at designated same-day registration locations during early voting (Oct. 19-Nov. 1) and until 8 p.m. local time on Nov. 3. More information here.

Last updated July 14, 2026. Military and overseas citizen voters may have different registration deadlines.