RANKING · 2024 ACS · 10 SHOWN OF 10

Most foreign-born residents, New Hampshire counties

New Hampshire counties ranked by the share of residents born outside the US (2024 ACS). This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide. The median across all 10 is 4.4%.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01Hillsborough County, NHNH433,41510.3%+2.3 pts

02Grafton County, NHNH93,2255.6%0.0 pts

03▲1Rockingham County, NHNH324,0775.2%+0.6 pts

04▲1Strafford County, NHNH135,0434.4%+0.3 pts

05▼2Merrimack County, NHNH158,0784.4%+0.8 pts

06Cheshire County, NHNH78,2692.9%−0.1 pts

07▲2Coos County, NHNH31,3432.8%−0.5 pts

08Belknap County, NHNH65,1472.8%−0.5 pts

09▲1Carroll County, NHNH52,7842.3%−0.1 pts

10▼3Sullivan County, NHNH43,9612.1%−0.6 pts

SHOWING 1–10 OF 10

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES