CensusEasy
RANKING · 2024 ACS · 14 SHOWN OF 14

Most racially diverse, Massachusetts counties

Massachusetts counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different 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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Most racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS 1990
01Suffolk County, MAMA791,89189+29%
02Hampden County, MAMA464,33871+82%
03Middlesex County, MAMA1,669,97968+198%
04Essex County, MAMA826,65365+179%
05Norfolk County, MAMA739,74963+324%
06Nantucket County, MAMA14,75862+683%
07Worcester County, MAMA888,50260+206%
08Bristol County, MAMA593,64052+257%
09Plymouth County, MAMA546,82950+179%
10Hampshire County, MAMA164,06543+144%
11Dukes County, MAMA21,21943+124%
12Berkshire County, MAMA128,22434+301%
13Barnstable County, MAMA233,53933+192%
14Franklin County, MAMA70,69829+352%
SHOWING 1–14 OF 14

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