To be eligible to vote in Connecticut you must be a U.S. citizen, reside in Connecticut, and be 18 years old on or before the next election. You may register to vote in person at Town Hall, either with the Registrar of Voters or the Town Clerk. You may also register to vote by mail by completing, signing and mailing a voter registration form to the Registrar of Voters at 275 Broad Street, Windsor CT 06095.