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%+3.0 pts

02Middlesex County, NJNJ883,33532.9%+3.5 pts

03Passaic County, NJNJ531,62432.1%+5.0 pts

04Bergen County, NJNJ977,02630.8%+2.4 pts

05Union County, NJNJ601,86330.1%+1.3 pts

06Essex County, NJNJ896,37927.7%+4.0 pts

07Somerset County, NJNJ356,48625.9%+3.9 pts

08Mercer County, NJNJ399,28923.0%+3.3 pts

09Morris County, NJNJ524,25119.6%+0.9 pts

10Atlantic County, NJNJ278,65716.3%+0.8 pts

11Monmouth County, NJNJ651,03513.5%+0.5 pts

12Camden County, NJNJ535,79911.2%+1.1 pts

13Hunterdon County, NJNJ131,78110.2%+2.0 pts

14Burlington County, NJNJ481,43910.2%+0.9 pts

15Cumberland County, NJNJ157,1489.9%−0.7 pts

16Warren County, NJNJ112,9539.5%+1.1 pts

17Sussex County, NJNJ148,0637.8%+1.3 pts

18Ocean County, NJNJ673,7467.7%−0.0 pts

19Gloucester County, NJNJ312,6385.4%+0.5 pts

20Cape May County, NJNJ93,3904.4%+0.3 pts

21Salem County, NJNJ66,2803.6%−0.0 pts

SHOWING 1–21 OF 21

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS