CensusEasy
RANKING · 1990 CENSUS · 10 SHOWN OF 10

Most racially diverse, New Hampshire counties · 1990

New Hampshire counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (1990 ACS). This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide. The median across all 10 is 4.

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Most racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS –
02Rockingham County, NHNH324,0777–
03Grafton County, NHNH93,2257–
04Strafford County, NHNH135,0436–
05Merrimack County, NHNH158,0784–
06Cheshire County, NHNH78,2694–
07Sullivan County, NHNH43,9613–
08Carroll County, NHNH52,7843–
09Belknap County, NHNH65,1472–
10Coos County, NHNH31,3432–
SHOWING 1–10 OF 10

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