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RANKING · 2020 CENSUS · 10 SHOWN OF 10

Highest Portuguese population share, New Hampshire counties · 2020

New Hampshire counties ranked by the share of all residents who are Portuguese ancestry (2020 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide. The median across all 10 is 1.0%.

Portuguese Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Portuguese population share by state
RANKPLACESTATEPOPPORTUGUESE SHAREVS 2010
01Rockingham County, NHNH324,0772.1%+0.4 pts
02Hillsborough County, NHNH433,4151.7%0.0 pts
03Carroll County, NHNH52,7841.4%+0.2 pts
04Grafton County, NHNH93,2251.2%+0.2 pts
05Strafford County, NHNH135,0431.0%+0.1 pts
06Coos County, NHNH31,3431.0%+0.5 pts
07Merrimack County, NHNH158,0780.9%−0.2 pts
08Cheshire County, NHNH78,2690.9%−0.4 pts
09Belknap County, NHNH65,1470.8%−0.5 pts
10Sullivan County, NHNH43,9610.5%−0.3 pts
SHOWING 1–10 OF 10

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS