Connecticut's 2nd congressional district is a congressional district in the U.S. state of Connecticut. Located in the eastern part of the state, the district includes all of New London County, Tolland County, and Windham County, along with parts of Hartford, Middlesex, and New Haven counties. Principal cities include Enfield, Norwich, New London, and Groton. The district is currently represented by Democrat Joe Courtney. With a Cook Partisan Voting Index rating of D+3, it is one of the least Democratic districts in Connecticut, a state with an all-Democratic congressional delegation. Towns in the district Hartford County – Enfield, Glastonbury (part), Marlborough, and Suffield. Middlesex County – Chester, Clinton, Deep River, East Haddam, East Hampton, Essex, Haddam, Killingworth, Old Saybrook, and Westbrook. New Haven County – Madison. New London County – Bozrah, Colchester, East Lyme, Franklin, Griswold, Groton, Lebanon, Ledyard, Lisbon, Lyme, Montville, New London, North Stonington, Norwich, Old Lyme, Preston, Salem, Sprague, Stonington, Voluntown, and Waterford. Tolland County – Andover, Bolton, Columbia, Coventry, Ellington, Hebron, Mansfield, Somers, Stafford, Tolland, Union, Vernon, and Willington. Windham County – Ashford, Brooklyn, Canterbury, Chaplin, Eastford, Hampton, Killingly, Plainfield, Pomfret, Putnam, Scotland, Sterling, Thompson, Windham, and Woodstock. Voter registration Recent presidential elections Recent elections 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 2022 List of members representing the district District organized from Connecticut's At-large congressional district in 1837. References Congressional Biographical Directory of the United States 1774–present 2 Hartford County, Connecticut Middlesex County, Connecticut New Haven County, Connecticut New London County, Connecticut Tolland County, Connecticut Windham County, Connecticut Constituencies established in 1837 1837 establishments in Connecticut