Ranking of Connecticut Counties By Population with Scotch Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 17.28K people in Connecticut with Scotch Irish ancestry. Among all Connecticut counties, Fairfield County had the highest population with Scotch Irish ancestry (4.90K), followed by Hartford County (3.42K), and New Haven County (2.94K).
The chart and table below shows the top 8 counties with high number of people with Scotch Irish 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 Population with Scotch Irish Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Fairfield County | 4898 |
| 2 | Hartford County | 3416 |
| 3 | New Haven County | 2942 |
| 4 | New London County | 2223 |
| 5 | Middlesex County | 1330 |
| 6 | Litchfield County | 978 |
| 7 | Windham County | 752 |
| 8 | Tolland County | 743 |