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.

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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

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

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

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

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

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

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

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

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

09Somerset 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%

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

16Gloucester 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 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES