RANKING · 2020 CENSUS · 10 SHOWN OF 10

Most foreign-born residents, New Hampshire counties · 2020

New Hampshire counties ranked by the share of residents born outside the US (2020 ACS). This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide.

New HampshireAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01Hillsborough County, NHNH433,4159.9%+1.8 pts

02Grafton County, NHNH93,2255.9%+0.3 pts

03Merrimack County, NHNH158,0785.4%+1.8 pts

04Rockingham County, NHNH324,0774.8%+0.1 pts

05Strafford County, NHNH135,0434.6%+0.5 pts

06Cheshire County, NHNH78,2693.1%+0.2 pts

07Sullivan County, NHNH43,9612.7%−0.1 pts

08Belknap County, NHNH65,1472.6%−0.6 pts

09Coos County, NHNH31,3432.6%−0.6 pts

10Carroll County, NHNH52,7842.5%+0.1 pts

SHOWING 1–10 OF 10

Download CSV (full list, 10 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS