Ranking of New Hampshire Counties By Percentage of Population with French (except Basque) Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 159.10K people in New Hampshire with French (except Basque) ancestry (11.60% of New Hampshire population). Among all New Hampshire counties, Coos County had the highest percentage of its population with French (except Basque) ancestry (19.98%), followed by Sullivan County (13.64%), and Belknap County (13.22%).

The chart and table below shows the top 10 counties with high percentage of its population having French (except Basque) 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 French (except Basque) Ancestry in 2021
Coos County
Sullivan County
Belknap County
Merrimack County
Cheshire County
Strafford County
Hillsborough County
Rockingham County
Grafton County
Carroll County
Ranking of New Hampshire Counties By Percentage of Population with French (except Basque) Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Coos County 19.98
2 Sullivan County 13.64
3 Belknap County 13.22
4 Merrimack County 12.93
5 Cheshire County 12.65
6 Strafford County 11.44
7 Hillsborough County 11.24
8 Rockingham County 10.55
9 Grafton County 10.46
10 Carroll County 8.82