County Coordinator County Seat Established Origin Fairfield Adopt Me
Fairfield (1666-1853)
Bridgeport (1853-1960)1666 One of four original counties created in Connecticut Hartford Adopt Me
Hartford (1666-1960) 1666 One of four original counties created in Connecticut Litchfield Adopt Me
Litchfield (1751-1960) 1751 From parts of Fairfield County, Hartford County, and New Haven County Middlesex Adopt Me
Middletown (1785-1960) 1785 From parts of Hartford County and New London County New Haven Adopt Me
New Haven (1666-1960) 1666 One of four original counties created in Connecticut New London Adopt Me
New London (1666-1960) 1666 One of four original counties created in Connecticut Tolland Adopt Me
Tolland (1785-1889)
Rockville (1889-1960)1785 From parts of Hartford County, and Windham County Windham Adopt Me
Windham (1726-1819)
Brooklyn (1819-1895)
Willimantic and Putnam (1895-1960)1726 From parts of Hartford County, and New London County County government was abolished in 1960.
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