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List of Connecticut Counties and County Seats





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The U.S. state of Connecticut is divided into 8 counties. Explore list of California Counties and their County Seats in alphabetical order populations, areas and the date of formation.

List of Connecticut Counties and County Seat

CountyCounty SeatPopulation (2011)Area Formed
Fairfield CountyFairfield (1666-1853) and Bridgeport (1853-1960) 894014736 sq mi1666
Hartford CountyHartford 189927920 sq mi1666
Litchfield CountyLitchfield 165676369 sq mi1751
Middlesex CountyMiddletown 862477606 sq mi1785
New Haven CountyNew Haven 274055666 sq mi1666
New London CountyNew London 152691410 sq mi1666
Tolland CountyTolland (1785-1889) and Rockville (1889-1960) 118428513 sq mi1785
Windham CountyWillimantic and Putnam (1895-1960) and Windham (1726-1819)   1726