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. The median across all 21 is 3.1%. Biggest climber in the top 100 since 2020: Hunterdon County, NJ, up 6 places to #6.

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

03▲2Monmouth County, NJNJ651,0354.0%−0.7 pts

04▼1Union County, NJNJ601,8634.0%+0.7 pts

05▼1Salem County, NJNJ66,2803.8%−0.8 pts

06▲6Hunterdon County, NJNJ131,7813.6%+0.2 pts

07Warren County, NJNJ112,9533.6%−2.8 pts

08▲2Cumberland County, NJNJ157,1483.5%−2.0 pts

09▲2Somerset County, NJNJ356,4863.3%−1.6 pts

10▲6Burlington County, NJNJ481,4393.2%+0.3 pts

11▼5Essex County, NJNJ896,3793.1%+0.4 pts

12▼4Cape May County, NJNJ93,3903.0%−1.7 pts

13▼4Morris County, NJNJ524,2512.9%+0.2 pts

14▲4Gloucester County, NJNJ312,6382.9%−0.2 pts

15Camden County, NJNJ535,7992.9%+0.4 pts

16▲1Bergen County, NJNJ977,0262.8%+0.5 pts

17▼3Atlantic County, NJNJ278,6572.7%−0.5 pts

18▲3Passaic County, NJNJ531,6242.5%−1.2 pts

19▲1Mercer County, NJNJ399,2892.4%−0.6 pts

20▼7Middlesex County, NJNJ883,3352.4%−0.5 pts

21▼2Hudson County, NJNJ735,0332.3%+1.0 pts

SHOWING 1–21 OF 21

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