Ranking of New Hampshire Counties By Population with American Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 59.67K people in New Hampshire with American ancestry. Among all New Hampshire counties, Hillsborough County had the highest population with American ancestry (13.91K), followed by Rockingham County (13.91K), and Merrimack County (7.98K).
The chart and table below shows the top 10 counties with high number of people with American 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 Population with American Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Hillsborough County | 13907 |
| 2 | Rockingham County | 13905 |
| 3 | Merrimack County | 7977 |
| 4 | Strafford County | 6209 |
| 5 | Grafton County | 4373 |
| 6 | Belknap County | 3454 |
| 7 | Cheshire County | 3282 |
| 8 | Sullivan County | 2463 |
| 9 | Carroll County | 2296 |
| 10 | Coos County | 1805 |