Alphabetical Listing
| County |
FIPS code |
County seat (defunct) |
Established |
Origin |
Etymology |
Population |
Area |
Map |
|---|---|---|---|---|---|---|---|---|
| Fairfield County | 001 | Fairfield (1666-1853) Bridgeport (1853-1960) |
1666 | One of four original counties created in Connecticut | From the hundreds of acres of salt marsh that bordered the coast. | 7005916829000000000916,829 | 7002626000000000000626 sq mi (70031621000000000001,621 km2) |
|
| Hartford County | 003 | Hartford (1666-1960) | 1666 | One of four original counties created in Connecticut | After the county of Hertfordshire in the UK | 7005894014000000000894,014 | 7002736000000000000736 sq mi (70031906000000000001,906 km2) |
|
| Litchfield County | 005 | Litchfield (1751-1960) | 1751 | From parts of Fairfield County, Hartford County, and New Haven County | City of Lichfield in the UK | 7005189927000000000189,927 | 7002920000000000000920 sq mi (70032383000000000002,383 km2) |
|
| Middlesex County | 007 | Middletown (1785-1960) | 1785 | From parts of Hartford County and New London County | Former county of Middlesex in the UK | 7005165676000000000165,676 | 7002369000000000000369 sq mi (7002956000000000000956 km2) |
|
| New Haven County | 009 | New Haven (1666-1960) | 1666 | One of four original counties created in Connecticut | After New Haven Colony, founded as a haven in which Puritans could be free from persecution | 7005862477000000000862,477 | 7002606000000000000606 sq mi (70031570000000000001,570 km2) |
|
| New London County | 011 | New London (1666-1960) | 1666 | One of four original counties created in Connecticut | After London, UK | 7005274055000000000274,055 | 7002666000000000000666 sq mi (70031725000000000001,725 km2) |
|
| Tolland County | 013 | Tolland (1785-1889) Rockville (1889-1960) |
1785 | From parts of Hartford County, and Windham County | Hamlet of Tolland, Somerset, UK | 7005152691000000000152,691 | 7002410000000000000410 sq mi (70031062000000000001,062 km2) |
|
| Windham County | 015 | Windham (1726-1819) Brooklyn (1819-1895) Willimantic and Putnam (1895-1960) |
1726 | From parts of Hartford County, and New London County | After Windham (now Wineham) in Sussex, England | 7005118428000000000118,428 | 7002513000000000000513 sq mi (70031329000000000001,329 km2) |
Read more about this topic: List Of Counties In Connecticut