RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest foreign-born population, New Jersey counties · 2020

New Jersey counties with the most residents born outside the United States, as of the 2020 American Community Survey. Ranked by number of people, not share. 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

RELATEDMost residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people Most unmarried men

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS 2010

01Hudson County, NJNJ735,033315,813+23%

02Bergen County, NJNJ977,026294,176+15%

03Middlesex County, NJNJ883,335283,962+19%

04Essex County, NJNJ896,379238,832+29%

05Union County, NJNJ601,863173,433+12%

06Passaic County, NJNJ531,624168,277+24%

07Morris County, NJNJ524,25199,590+8%

08Somerset County, NJNJ356,48689,361+26%

09Mercer County, NJNJ399,28989,209+23%

10Monmouth County, NJNJ651,03586,921+6%

11Camden County, NJNJ535,79958,515+13%

12Ocean County, NJNJ673,74649,178+10%

13Burlington County, NJNJ481,43946,928+12%

14Atlantic County, NJNJ278,65744,725+5%

15Gloucester County, NJNJ312,63816,178+15%

16Cumberland County, NJNJ157,14815,192−8%

17Hunterdon County, NJNJ131,78113,125+25%

18Sussex County, NJNJ148,06311,180+17%

19Warren County, NJNJ112,95310,431+14%

20Cape May County, NJNJ93,3904,231+6%

21Salem County, NJNJ66,2802,304−3%

SHOWING 1–21 OF 21

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