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RANKING · 2020 CENSUS · 10 SHOWN OF 10

Highest Scotch-Irish population share, New Hampshire counties · 2020

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

Scotch-Irish Americans: full group profile →
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RELATEDLargest American populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
Highest Scotch-Irish population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010
01Carroll County, NHNH52,7842.0%−1.9 pts
02Grafton County, NHNH93,2251.5%−1.1 pts
03Coos County, NHNH31,3431.3%−0.6 pts
04Strafford County, NHNH135,0431.3%−1.2 pts
05Rockingham County, NHNH324,0771.3%−1.3 pts
06Sullivan County, NHNH43,9611.3%−1.2 pts
07Merrimack County, NHNH158,0781.3%−1.7 pts
08Belknap County, NHNH65,1471.2%−1.2 pts
09Cheshire County, NHNH78,2690.9%−2.2 pts
10Hillsborough County, NHNH433,4150.9%−1.5 pts
SHOWING 1–10 OF 10
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS