CensusEasy
RANKING · 1990 CENSUS · 14 SHOWN OF 14

Least racially diverse, Massachusetts counties · 1990

Massachusetts counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (1990 ACS). This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 14 is 18.

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Least racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS –
01Franklin County, MAMA70,6986–
02Nantucket County, MAMA14,7588–
03Berkshire County, MAMA128,2249–
04Barnstable County, MAMA233,53911–
05Bristol County, MAMA593,64014–
06Norfolk County, MAMA739,74915–
07Hampshire County, MAMA164,06518–
08Plymouth County, MAMA546,82918–
09Dukes County, MAMA21,21919–
10Worcester County, MAMA888,50220–
11Middlesex County, MAMA1,669,97923–
12Essex County, MAMA826,65323–
13Hampden County, MAMA464,33839–
14Suffolk County, MAMA791,89169–
SHOWING 1–14 OF 14

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