CensusEasy
RANKING · 2020 CENSUS · 14 SHOWN OF 14

Most segregated, Massachusetts counties · 2020

Massachusetts counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2020 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 14 is 35.

Flip the list · Least segregated, US counties →
SAME RANKING BYMetros
Most segregated by state
RANKPLACESTATEPOPSEGREGATION SCOREVS –
01Plymouth County, MAMA546,82960–
02Essex County, MAMA826,65355–
03Hampden County, MAMA464,33855–
04Suffolk County, MAMA791,89149–
05Worcester County, MAMA888,50241–
06Bristol County, MAMA593,64037–
07Hampshire County, MAMA164,06535–
08Norfolk County, MAMA739,74933–
09Barnstable County, MAMA233,53931–
10Middlesex County, MAMA1,669,97931–
11Berkshire County, MAMA128,22431–
12Nantucket County, MAMA14,75826–
13Franklin County, MAMA70,69822–
14Dukes County, MAMA21,2193–
SHOWING 1–14 OF 14

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