RANKING · 2024 ACS · 21 SHOWN OF 21

Most racially diverse, New Jersey counties

New Jersey counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2024 ACS). This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide. The median across all 21 is 80.

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SAME RANKING BYCities States Metros ZIP codes

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

RANKPLACESTATEPOPDIVERSITY SCOREVS 1990

01Essex County, NJNJ896,37991+17%

02Middlesex County, NJNJ883,33591+89%

03Hudson County, NJNJ735,03390+11%

04Mercer County, NJNJ399,28989+65%

05Union County, NJNJ601,86389+36%

06Somerset County, NJNJ356,48685+154%

07Cumberland County, NJNJ157,14884+40%

08Bergen County, NJNJ977,02682+115%

09Camden County, NJNJ535,79981+60%

10Passaic County, NJNJ531,62481+20%

11Atlantic County, NJNJ278,65780+53%

12Burlington County, NJNJ481,43971+72%

13Morris County, NJNJ524,25166+151%

14Salem County, NJNJ66,28059+61%

15Monmouth County, NJNJ651,03558+72%

16Gloucester County, NJNJ312,63854+103%

17Warren County, NJNJ112,95353+408%

18Hunterdon County, NJNJ131,78144+268%

19Sussex County, NJNJ148,06343+358%

20Ocean County, NJNJ673,74641+154%

21Cape May County, NJNJ93,39036+83%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)How this score is calculated

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES