RANKING · 2020 CENSUS · 10 SHOWN OF 10

Most segregated, New Hampshire counties · 2020

New Hampshire counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2023 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 10 counties in New Hampshire that qualify, ranked against each other statewide.

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RELATEDOldest by median age Youngest by median age Most foreign-born residents Highest uninsured rate Most women Most men

RANKPLACESTATEPOPSEGREGATION SCOREVS 2000

01Coos County, NHNH31,34344–

02Hillsborough County, NHNH433,41537–

03Carroll County, NHNH52,78436–

04Grafton County, NHNH93,22533–

05Merrimack County, NHNH158,07828–

06Rockingham County, NHNH324,07726–

07Strafford County, NHNH135,04325–

08Cheshire County, NHNH78,26922–

09Sullivan County, NHNH43,96119–

10Belknap County, NHNH65,14718–

SHOWING 1–10 OF 10

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES