RANKING · 2020 CENSUS · 21 SHOWN OF 21

Most foreign-born residents, New Jersey counties · 2020

New Jersey counties ranked by the share of residents born outside the US (2020 ACS). This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide.

New JerseyAll states All rankings

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

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01Hudson County, NJNJ735,03343.6%+7%

02Middlesex County, NJNJ883,33532.9%+12%

03Passaic County, NJNJ531,62432.1%+18%

04Bergen County, NJNJ977,02630.8%+8%

05Union County, NJNJ601,86330.1%+5%

06Essex County, NJNJ896,37927.7%+17%

07Somerset County, NJNJ356,48625.9%+18%

08Mercer County, NJNJ399,28923.0%+17%

09Morris County, NJNJ524,25119.6%+5%

10Atlantic County, NJNJ278,65716.3%+5%

11Monmouth County, NJNJ651,03513.5%+4%

12Camden County, NJNJ535,79911.2%+11%

13Hunterdon County, NJNJ131,78110.2%+25%

14Burlington County, NJNJ481,43910.2%+9%

15Cumberland County, NJNJ157,1489.9%−6%

16Warren County, NJNJ112,9539.5%+13%

17Sussex County, NJNJ148,0637.8%+21%

18Ocean County, NJNJ673,7467.7%−0%

19Gloucester County, NJNJ312,6385.4%+10%

20Cape May County, NJNJ93,3904.4%+8%

21Salem County, NJNJ66,2803.6%−1%

SHOWING 1–21 OF 21

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS