Connecticut / Counties by Population

Connecticut Counties by Population

Below are the 8 Connecticut counties sorted by population from 1 to 8 . The population data are from the 2021 Population Estimates Program and 2020 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!

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Rank County Population
1 Fairfield County 959,768
2 Hartford County 896,854
3 New Haven County 863,700
4 New London County 268,805
5 Litchfield County 185,000
6 Middlesex County 164,759
7 Tolland County 150,293
8 Windham County 116,418

United States Census Bureau. B01001 SEX BY AGE, 2020 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 17 March 2022.

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2021. U.S. Census Bureau, Population Division. Web. May 2022.


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