Ranking of New Hampshire Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021 (ACS-5Yrs)

Updated on September 27, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among all New Hampshire counties, Hillsborough had the highest percentage of its population being immigrants or foreign-born (9.98%), followed by Grafton (5.62%), and Merrimack (4.97%).

The chart below shows the top 10 counties, and the table below shows the ranking of all New Hampshire counties.

You can see similar information for other states. You can also see the ranking for all counties in the United States.

Ranking of New Hampshire Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021
Hillsborough
Grafton
Merrimack
Rockingham
Strafford
Belknap
Sullivan
Cheshire
Carroll
Coos
Ranking of New Hampshire Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021
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Rank County Perc. of County Population (%)
1 Hillsborough 9.98
2 Grafton 5.62
3 Merrimack 4.97
4 Rockingham 4.89
5 Strafford 4.39
6 Belknap 2.89
7 Sullivan 2.87
8 Cheshire 2.78
9 Carroll 2.47
10 Coos 2.40