CensusEasy
RANKING · 2024 ACS · 14 SHOWN OF 14

Least racially diverse, Massachusetts counties

Massachusetts counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2024 ACS). This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 14 is 60.

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Least racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS 1990
01Franklin County, MAMA70,69829+352%
02Barnstable County, MAMA233,53933+192%
03Berkshire County, MAMA128,22434+301%
04Dukes County, MAMA21,21943+124%
05Hampshire County, MAMA164,06543+144%
06Plymouth County, MAMA546,82950+179%
07Bristol County, MAMA593,64052+257%
08Worcester County, MAMA888,50260+206%
09Nantucket County, MAMA14,75862+683%
10Norfolk County, MAMA739,74963+324%
11Essex County, MAMA826,65365+179%
12Middlesex County, MAMA1,669,97968+198%
13Hampden County, MAMA464,33871+82%
14Suffolk County, MAMA791,89189+29%
SHOWING 1–14 OF 14

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES