Ranking of Connecticut Counties By Percentage of Population with Portuguese Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 46.48K people in Connecticut with Portuguese ancestry (1.29% of Connecticut population). Among all Connecticut counties, Windham County had the highest percentage of its population with Portuguese ancestry (2.37%), followed by New London County (1.61%), and Fairfield County (1.47%).
The chart and table below shows the top 8 counties with high percentage of its population having Portuguese 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 Portuguese Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Windham County | 2.37 |
| 2 | New London County | 1.61 |
| 3 | Fairfield County | 1.47 |
| 4 | New Haven County | 1.23 |
| 5 | Tolland County | 1.18 |
| 6 | Hartford County | 1.07 |
| 7 | Litchfield County | 0.95 |
| 7 | Middlesex County | 0.95 |