Ranking of Connecticut Counties By Percentage of Population with Czech Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 10.15K people in Connecticut with Czech ancestry (0.28% of Connecticut population). Among all Connecticut counties, Tolland County had the highest percentage of its population with Czech ancestry (0.48%), followed by Litchfield County (0.47%), and Fairfield County (0.39%).
The chart and table below shows the top 8 counties with high percentage of its population having Czech 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 Czech Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Tolland County | 0.48 |
| 2 | Litchfield County | 0.47 |
| 3 | Fairfield County | 0.39 |
| 4 | Middlesex County | 0.37 |
| 5 | New London County | 0.28 |
| 6 | Hartford County | 0.19 |
| 6 | New Haven County | 0.19 |
| 7 | Windham County | 0.17 |