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 2020 Census Redistricting dataset. If 2020 Census data are not available for a geography, then the population data are from the Census’ 2019 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 957,419
2 Hartford County 899,498
3 New Haven County 864,835
4 New London County 268,555
5 Litchfield County 185,186
6 Middlesex County 164,245
7 Tolland County 149,788
8 Windham County 116,418

United States Census Bureau. B01001 SEX BY AGE, 2019 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 10 December 2020. http://www.census.gov/.

United States Census Bureau. "P2 Hispanic or Latino, and Not Hispanic or Latino by Race." 2020 Census State Redistricting Data (Public Law 94-171) Summary File. U.S. Census Bureau, 2020 Census. Web. 12 August 2021. https://www.census.gov/.

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