Ranking of New Hampshire Counties By Percentage of Population with Scotch Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 16.20K people in New Hampshire with Scotch Irish ancestry (1.18% of New Hampshire population). Among all New Hampshire counties, Carroll County had the highest percentage of its population with Scotch Irish ancestry (2.07%), followed by Belknap County (1.67%), and Sullivan County (1.42%).
The chart and table below shows the top 10 counties with high percentage of its population having Scotch Irish ancestry.
You can see similar information for other states and for other ancestry groups in New Hampshire.
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Related Topics: New Hampshire ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of New Hampshire Counties By Percentage of Population with Scotch Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Carroll County | 2.07 |
| 2 | Belknap County | 1.67 |
| 3 | Sullivan County | 1.42 |
| 4 | Grafton County | 1.39 |
| 5 | Strafford County | 1.26 |
| 6 | Rockingham County | 1.24 |
| 7 | Coos County | 1.12 |
| 7 | Merrimack County | 1.12 |
| 8 | Cheshire County | 0.95 |
| 9 | Hillsborough County | 0.93 |