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.

Flip the list · Least segregated, US counties →

MassachusettsAll states All rankings

SAME RANKING BYMetros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

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

Download CSV (full list, 14 rows)How this score is calculated

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS