RANKING · 2010 CENSUS · 10 SHOWN OF 10

Highest Portuguese population share, New Hampshire counties · 2010

New Hampshire counties ranked by the share of all residents who are Portuguese ancestry (2023 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.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPPORTUGUESE SHAREVS 2000

01Rockingham County, NHNH324,0771.8%–

02Hillsborough County, NHNH433,4151.7%–

03Belknap County, NHNH65,1471.3%–

04Cheshire County, NHNH78,2691.2%–

05Carroll County, NHNH52,7841.2%–

06Merrimack County, NHNH158,0781.1%–

07Grafton County, NHNH93,2251.0%–

08Strafford County, NHNH135,0430.9%–

09Sullivan County, NHNH43,9610.8%–

10Coos County, NHNH31,3430.4%–

SHOWING 1–10 OF 10

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES