Ranking of New Hampshire Counties By Population with Other Groups Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 180.98K people in New Hampshire with Other Groups ancestry. Among all New Hampshire counties, Hillsborough County had the highest population with Other Groups ancestry (71.16K), followed by Rockingham County (35.59K), and Strafford County (17.73K).

The chart and table below shows the top 10 counties with high number of people with Other Groups ancestry.

You can see similar information for other states and for other ancestry groups in New Hampshire.

Data Source: US Census Bureau.
Ranking of New Hampshire Counties By Population with Other Groups Ancestry in 2021
Hillsborough County
Rockingham County
Strafford County
Merrimack County
Grafton County
Cheshire County
Belknap County
Sullivan County
Carroll County
Coos County
Ranking of New Hampshire Counties By Population with Other Groups Ancestry in 2021
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Rank County Population
1 Hillsborough County 71162
2 Rockingham County 35593
3 Strafford County 17728
4 Merrimack County 17362
5 Grafton County 13171
6 Cheshire County 7824
7 Belknap County 6596
8 Sullivan County 4331
9 Carroll County 3899
10 Coos County 3309