RANKING · 2020 CENSUS · 21 SHOWN OF 21

Highest American population share, New Jersey counties · 2020

New Jersey counties ranked by the share of all residents who are American ancestry (2023 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.

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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 2000

01Ocean County, NJNJ673,7465.6%–

02Sussex County, NJNJ148,0635.6%–

03Union County, NJNJ601,8634.6%–

04Salem County, NJNJ66,2804.4%–

05Monmouth County, NJNJ651,0354.0%–

06Essex County, NJNJ896,3793.8%–

07Warren County, NJNJ112,9533.7%–

08Cape May County, NJNJ93,3903.5%–

09Morris County, NJNJ524,2513.3%–

10Cumberland County, NJNJ157,1483.3%–

11Somerset County, NJNJ356,4863.3%–

12Hunterdon County, NJNJ131,7813.2%–

13Middlesex County, NJNJ883,3352.9%–

14Atlantic County, NJNJ278,6572.8%–

15Camden County, NJNJ535,7992.7%–

16Burlington County, NJNJ481,4392.7%–

17Bergen County, NJNJ977,0262.7%–

18Gloucester County, NJNJ312,6382.6%–

19Hudson County, NJNJ735,0332.4%–

20Mercer County, NJNJ399,2892.4%–

21Passaic County, NJNJ531,6242.2%–

SHOWING 1–21 OF 21

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES