Ranking of New Hampshire Counties By Percentage of 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 (13.19% of New Hampshire population). Among all New Hampshire counties, Hillsborough County had the highest percentage of its population with Other Groups ancestry (16.92%), followed by Grafton County (14.47%), and Strafford County (13.57%).

The chart and table below shows the top 10 counties with high percentage of its population having 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 Percentage of Population with Other Groups Ancestry in 2021
Hillsborough County
Grafton County
Strafford County
Rockingham County
Merrimack County
Coos County
Belknap County
Cheshire County
Sullivan County
Carroll County
Ranking of New Hampshire Counties By Percentage of Population with Other Groups Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Hillsborough County 16.92
2 Grafton County 14.47
3 Strafford County 13.57
4 Rockingham County 11.38
5 Merrimack County 11.35
6 Coos County 10.55
7 Belknap County 10.41
8 Cheshire County 10.23
9 Sullivan County 10.05
10 Carroll County 7.80