If the voter registration deadline has passed, you can still register to vote in person at the office of your Local Election Office at any point until Election Day. Contact your Local Election Office if you have any questions.
To register in Connecticut you must:
be a citizen of the United States
be a resident of Connecticut and of the town in which you wish to vote
be 17 years old. You can vote when you turn 18.
have completed confinement and parole if previously convicted of a felony, and have had your voting rights restored by Registrars of Voters
not currently be declared mentally incompetent to vote by a court of law
Local Election Office: This is the government office responsible for running elections in your region. Theses are the best people to contact if you have any questions at all about voting in your state.