RANKING · 2024 ACS · 21 SHOWN OF 21

Least racially diverse, New Jersey counties

New Jersey counties with the lowest CensusEasy Diversity Score, where most residents share the same 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

01Cape May County, NJNJ93,39036+83%

02Ocean County, NJNJ673,74641+154%

03Sussex County, NJNJ148,06343+358%

04Hunterdon County, NJNJ131,78144+268%

05Warren County, NJNJ112,95353+408%

06Gloucester County, NJNJ312,63854+103%

07Monmouth County, NJNJ651,03558+72%

08Salem County, NJNJ66,28059+61%

09Morris County, NJNJ524,25166+151%

10Burlington County, NJNJ481,43971+72%

11Atlantic County, NJNJ278,65780+53%

12Passaic County, NJNJ531,62481+20%

13Camden County, NJNJ535,79981+60%

14Bergen County, NJNJ977,02682+115%

15Cumberland County, NJNJ157,14884+40%

16Somerset County, NJNJ356,48685+154%

17Union County, NJNJ601,86389+36%

18Mercer County, NJNJ399,28989+65%

19Hudson County, NJNJ735,03390+11%

20Middlesex County, NJNJ883,33591+89%

21Essex County, NJNJ896,37991+17%

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