New Hampshire Immigrant or Foreign-Born Population By County in 2021 (ACS-5Yrs)

Based on the US Census ACS-5Yrs estimates, in 2021, the total immigrant or foreign-born population in New Hampshire was 82.90K which was 6.04% of New Hampshire's population. Among all New Hampshire counties, Hillsborough had the highest immigrant population (41.95K) and immigrants constituted 9.98% of its population, followed by Rockingham (pop: 15.31K, perc: 4.89%), and then Merrimack (pop: 7.60K, perc: 4.97%).

On the other hand, the counties with the least number of immigrant population were: Coos (pop: 752, perc: 2.40%), Carroll (pop: 1.24K, perc: 2.47%), and Sullivan (pop: 1.24K, perc: 2.87%),

The chart and table below shows the immigrant or foreign-born population of each county and the percentage of each county's population that are immigrants.

You can see similar information for other states and by state for the United States.