RANKING · 2024 ACS · 21 SHOWN OF 21

Largest foreign-born population, New Jersey counties

New Jersey counties with the most residents born outside the United States, as of the 2024 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. The median across all 21 is 64,901.

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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

01▲2Middlesex County, NJNJ883,335308,388+30%

02▼1Hudson County, NJNJ735,033307,758+19%

03▼1Bergen County, NJNJ977,026305,966+19%

04Essex County, NJNJ896,379260,083+41%

05Union County, NJNJ601,863194,636+26%

06Passaic County, NJNJ531,624172,522+27%

07▲2Mercer County, NJNJ399,289104,307+44%

08▼1Morris County, NJNJ524,251101,789+11%

09▼1Somerset County, NJNJ356,48697,494+37%

10Monmouth County, NJNJ651,03587,843+7%

11Camden County, NJNJ535,79964,901+26%

12Ocean County, NJNJ673,74652,456+17%

13Burlington County, NJNJ481,43951,551+24%

14Atlantic County, NJNJ278,65743,915+4%

15▲1Cumberland County, NJNJ157,14819,486+18%

16▼1Gloucester County, NJNJ312,63818,816+34%

17Hunterdon County, NJNJ131,78113,793+32%

18Sussex County, NJNJ148,06312,757+33%

19Warren County, NJNJ112,95311,771+28%

20Cape May County, NJNJ93,3904,334+8%

21Salem County, NJNJ66,2801,988−16%

SHOWING 1–21 OF 21

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES