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Connecticut's Counties and Their Formation

 

Liberty, holding banner bearing title and motto, sits with American shield, eagle, and Connecticut state seal. White envelope with orange ink. Image on left with banner across top and shield in top-right corner.
Loyal to the Union, Library of Congress
 

Map of the counties in Connecticut.

County Formation:

Fairfield: 1666

Hartford: 1666

Litchfield: 1751
(from Fairfield and Hartford)

Middlesex: 1785
(from Hartford, New Haven, and New London)

New Haven: 1666

New London: 1666

Tolland: 1785
(from Windham)

Windham:1726
(from Hartford and New London)