Connecticut Counties by Population

Below are the 8 Connecticut counties sorted by population from largest to smallest. The population data are from the 2021 American Community Survey. You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

Rank County Population
1 Fairfield County 956,446
2 Hartford County 898,636
3 New Haven County 864,751
4 New London County 269,131
5 Litchfield County 185,175
6 Middlesex County 164,568
7 Tolland County 150,120
8 Windham County 116,503

United States Census Bureau. B01001 SEX BY AGE, 2021 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 8 December 2022.

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