RANKING · 2010 CENSUS · 21 SHOWN OF 21

Least racially diverse, New Jersey counties · 2010

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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Sussex County, NJNJ148,06325+89%

02Hunterdon County, NJNJ131,78128+72%

03Cape May County, NJNJ93,39029+42%

04Ocean County, NJNJ673,74632+47%

05Warren County, NJNJ112,95332+97%

06Gloucester County, NJNJ312,63841+41%

07Salem County, NJNJ66,28048+20%

08Monmouth County, NJNJ651,03549+22%

09Morris County, NJNJ524,25151+38%

10Burlington County, NJNJ481,43958+27%

11Bergen County, NJNJ977,02670+29%

12Somerset County, NJNJ356,48670+37%

13Camden County, NJNJ535,79973+20%

14Atlantic County, NJNJ278,65775+14%

15Mercer County, NJNJ399,28979+21%

16Cumberland County, NJNJ157,14880+13%

17Passaic County, NJNJ531,62480+5%

18Middlesex County, NJNJ883,33583+21%

19Union County, NJNJ601,86384+11%

20Essex County, NJNJ896,37986+6%

21Hudson County, NJNJ735,03387+3%

SHOWING 1–21 OF 21

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

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