RANKING · 2020 CENSUS · 21 SHOWN OF 21

Least racially diverse, New Jersey counties · 2020

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

01Cape May County, NJNJ93,39033+61%

02Sussex County, NJNJ148,06336+167%

03Ocean County, NJNJ673,74637+74%

04Hunterdon County, NJNJ131,78138+131%

05Warren County, NJNJ112,95346+187%

06Gloucester County, NJNJ312,63850+70%

07Monmouth County, NJNJ651,03555+39%

08Salem County, NJNJ66,28057+40%

09Morris County, NJNJ524,25163+68%

10Burlington County, NJNJ481,43967+47%

11Bergen County, NJNJ977,02679+45%

12Camden County, NJNJ535,79979+31%

13Atlantic County, NJNJ278,65780+21%

14Passaic County, NJNJ531,62481+6%

15Somerset County, NJNJ356,48682+59%

16Cumberland County, NJNJ157,14883+17%

17Union County, NJNJ601,86388+16%

18Mercer County, NJNJ399,28988+35%

19Hudson County, NJNJ735,03389+6%

20Essex County, NJNJ896,37989+9%

21Middlesex County, NJNJ883,33590+30%

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