RANKING · 2024 ACS · 21 SHOWN OF 21

Highest American population share, New Jersey counties

New Jersey counties ranked by the share of all residents who are American ancestry (2024 American Community Survey). A concentration measure: American residents as a percentage of total population. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide.

American ancestry: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share Largest Iraqi population

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS 2010

01Ocean County, NJNJ673,7467.5%+3.0 pts

02Sussex County, NJNJ148,0634.1%+0.7 pts

03Monmouth County, NJNJ651,0354.0%−0.7 pts

04Union County, NJNJ601,8634.0%+0.7 pts

05Salem County, NJNJ66,2803.8%−0.8 pts

06Hunterdon County, NJNJ131,7813.6%+0.2 pts

07Warren County, NJNJ112,9533.6%−2.8 pts

08Cumberland County, NJNJ157,1483.5%−2.0 pts

09Somerset County, NJNJ356,4863.3%−1.6 pts

10Burlington County, NJNJ481,4393.2%+0.3 pts

11Essex County, NJNJ896,3793.1%+0.4 pts

12Cape May County, NJNJ93,3903.0%−1.7 pts

13Morris County, NJNJ524,2512.9%+0.2 pts

14Gloucester County, NJNJ312,6382.9%−0.2 pts

15Camden County, NJNJ535,7992.9%+0.4 pts

16Bergen County, NJNJ977,0262.8%+0.5 pts

17Atlantic County, NJNJ278,6572.7%−0.5 pts

18Passaic County, NJNJ531,6242.5%−1.2 pts

19Mercer County, NJNJ399,2892.4%−0.6 pts

20Middlesex County, NJNJ883,3352.4%−0.5 pts

21Hudson County, NJNJ735,0332.3%+1.0 pts

SHOWING 1–21 OF 21

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES