RANKING · 2010 CENSUS · 21 SHOWN OF 21

Most racially diverse, New Jersey counties · 2010

New Jersey counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2023 ACS). This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Youngest by median age Most foreign-born residents Highest uninsured rate Most women Most men

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Hudson County, NJNJ735,03387+3%

02Essex County, NJNJ896,37986+6%

03Union County, NJNJ601,86384+11%

04Middlesex County, NJNJ883,33583+21%

05Passaic County, NJNJ531,62480+5%

06Cumberland County, NJNJ157,14880+13%

07Mercer County, NJNJ399,28979+21%

08Atlantic County, NJNJ278,65775+14%

09Camden County, NJNJ535,79973+20%

10Somerset County, NJNJ356,48670+37%

11Bergen County, NJNJ977,02670+29%

12Burlington County, NJNJ481,43958+27%

13Morris County, NJNJ524,25151+38%

14Monmouth County, NJNJ651,03549+22%

15Salem County, NJNJ66,28048+20%

16Gloucester County, NJNJ312,63841+41%

17Warren County, NJNJ112,95332+97%

18Ocean County, NJNJ673,74632+47%

19Cape May County, NJNJ93,39029+42%

20Hunterdon County, NJNJ131,78128+72%

21Sussex County, NJNJ148,06325+89%

SHOWING 1–21 OF 21

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES