RANKING · 2010 CENSUS · 21 SHOWN OF 21

Highest American population share, New Jersey counties · 2010

New Jersey counties ranked by the share of all residents who are American ancestry (2010 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 →

New JerseyAll states All rankings

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 –

01Warren County, NJNJ112,9536.4%–

02Cumberland County, NJNJ157,1485.5%–

03Somerset County, NJNJ356,4864.9%–

04Monmouth County, NJNJ651,0354.8%–

05Cape May County, NJNJ93,3904.7%–

06Salem County, NJNJ66,2804.6%–

07Ocean County, NJNJ673,7464.4%–

08Passaic County, NJNJ531,6243.7%–

09Sussex County, NJNJ148,0633.4%–

10Hunterdon County, NJNJ131,7813.4%–

11Union County, NJNJ601,8633.3%–

12Atlantic County, NJNJ278,6573.2%–

13Gloucester County, NJNJ312,6383.1%–

14Mercer County, NJNJ399,2893.0%–

15Middlesex County, NJNJ883,3352.9%–

16Burlington County, NJNJ481,4392.9%–

17Essex County, NJNJ896,3792.8%–

18Morris County, NJNJ524,2512.7%–

19Camden County, NJNJ535,7992.5%–

20Bergen County, NJNJ977,0262.3%–

21Hudson County, NJNJ735,0331.2%–

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS