RANKING · 2024 ACS · 14 SHOWN OF 14

Most segregated, Massachusetts counties

Massachusetts counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2024 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.

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

RANKPLACESTATEPOPSEGREGATION SCOREVS 2020

01Plymouth County, MAMA546,82955−8%

02Hampden County, MAMA464,33854−1%

03Essex County, MAMA826,65351−7%

04Suffolk County, MAMA791,89146−5%

05Worcester County, MAMA888,50240−4%

06Barnstable County, MAMA233,53936+16%

07Berkshire County, MAMA128,22435+14%

08Bristol County, MAMA593,64035−7%

09Norfolk County, MAMA739,74931−5%

10Middlesex County, MAMA1,669,97931+0%

11Hampshire County, MAMA164,06530−14%

12Nantucket County, MAMA14,75820−23%

13Franklin County, MAMA70,69818−17%

14Dukes County, MAMA21,21915+341%

SHOWING 1–14 OF 14

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

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES