Ranking of Connecticut Counties By Immigrant or Foreign-Born Population in 2021 (ACS-5Yrs)

Updated on September 27, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among all Connecticut counties, Fairfield had the highest immigrant or foreign-born population (213.55K), followed by Hartford (138.49K), and New Haven (115.69K).

The chart below shows the top 8 counties, and the table below shows the ranking of all Connecticut counties.

You can see similar information for other states. You can also see the ranking for all counties in the United States.

Ranking of Connecticut Counties By Immigrant or Foreign-Born Population in 2021
Fairfield
Hartford
New Haven
New London
Litchfield
Middlesex
Tolland
Windham
Ranking of Connecticut Counties By Immigrant or Foreign-Born Population in 2021
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Rank County Immigrant Population
1 Fairfield 213548
2 Hartford 138491
3 New Haven 115694
4 New London 23431
5 Litchfield 13935
6 Middlesex 12914
7 Tolland 10856
8 Windham 5351