Ranking of New Hampshire Counties By Percentage of Population with Canadian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 12.91K people in New Hampshire with Canadian ancestry (0.94% of New Hampshire population). Among all New Hampshire counties, Coos County had the highest percentage of its population with Canadian ancestry (1.19%), followed by Hillsborough County (1.08%), and Grafton County (1.01%).

The chart and table below shows the top 10 counties with high percentage of its population having Canadian 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 Canadian Ancestry in 2021
Coos County
Hillsborough County
Grafton County
Cheshire County
Merrimack County
Rockingham County
Sullivan County
Strafford County
Carroll County
Belknap County
Ranking of New Hampshire Counties By Percentage of Population with Canadian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Coos County 1.19
2 Hillsborough County 1.08
3 Grafton County 1.01
4 Cheshire County 1.00
5 Merrimack County 0.90
5 Rockingham County 0.90
6 Sullivan County 0.86
7 Strafford County 0.80
8 Carroll County 0.79
9 Belknap County 0.46