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About this map

The chance that two residents picked at random belong to different racial or ethnic groups. 0 means everyone is in the same group; 50+ is very mixed. The U.S. overall scores about 61.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
61.4
Massachusetts
52.7
Rankings
Full list

Top and bottom zip codes in Massachusetts

Zip codes with 1,000+ residents

Most diverse zip codes

See all
  1. 102125Dorchester78.9
  2. 202301Brockton76.8
  3. 302122Dorchester76.8
  4. 401702Framingham75.8
  5. 502120Roxbury Crossing75.7
  6. 602302Brockton75.1
  7. 702149Everett74.7
  8. 802148Malden73.8
  9. 902368Randolph72.7
  10. 1001850Lowell72

Least diverse zip codes

See all
  1. 101092West Warren3.3
  2. 202367Plympton3.5
  3. 302653Orleans3.6
  4. 401039Haydenville5.2
  5. 501929Essex5.6
  6. 602668West Barnstable5.7
  7. 702659South Chatham6.2
  8. 802670West Dennis6.3
  9. 901011Chester6.3
  10. 1001262Stockbridge6.3

Diversity index by county in Massachusetts

  1. 1Suffolk County71.5
  2. 2Hampden County56.8
  3. 3Middlesex County54.3
  4. 4Essex County52.2
  5. 5Norfolk County50.1
  6. 6Nantucket County49.6
  7. 7Worcester County48
  8. 8Bristol County41.6
  9. 9Plymouth County40.7
  10. 10Dukes County35
  11. 11Hampshire County34.4
  12. 12Berkshire County27.5
  13. 13Barnstable County26.9
  14. 14Franklin County23.1

Questions about this map

Which zip code has the highest diversity index in Massachusetts?

Among zip codes with at least 1,000 residents, 02125 (Dorchester, MA) has the highest: 78.9.

Which zip code has the lowest diversity index in Massachusetts?

01092 (West Warren, MA) has the lowest: 3.3.

What is the diversity index for the United States?

61.4; in Massachusetts it is 52.7.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). The chance that two residents picked at random belong to different racial or ethnic groups. 0 means everyone is in the same group; 50+ is very mixed. The U.S. overall scores about 61.

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