Ranking of Connecticut Counties By Percentage of Population with Other Groups Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.01M people in Connecticut with Other Groups ancestry (27.93% of Connecticut population). Among all Connecticut counties, Hartford County had the highest percentage of its population with Other Groups ancestry (32.14%), followed by New Haven County (31.39%), and Fairfield County (30.66%).
The chart and table below shows the top 8 counties with high percentage of its population having Other Groups ancestry.
You can see similar information for other states and for other ancestry groups in Connecticut.
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Related Topics: Connecticut ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Connecticut Counties By Percentage of Population with Other Groups Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Hartford County | 32.14 |
| 2 | New Haven County | 31.39 |
| 3 | Fairfield County | 30.66 |
| 4 | New London County | 22.15 |
| 5 | Windham County | 17.77 |
| 6 | Middlesex County | 16.93 |
| 7 | Tolland County | 14.42 |
| 8 | Litchfield County | 12.70 |