RANKING · 2010 CENSUS · 21 SHOWN OF 21

Largest American population, New Jersey counties · 2010

New Jersey counties ranked by the number of residents who are American ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide. The median across all 21 is 12,771.

American ancestry: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS –

01Monmouth County, NJNJ651,03529,907–

02Ocean County, NJNJ673,74625,187–

03Middlesex County, NJNJ883,33523,270–

04Essex County, NJNJ896,37921,663–

05Bergen County, NJNJ977,02620,896–

06Passaic County, NJNJ531,62418,560–

07Union County, NJNJ601,86317,621–

08Somerset County, NJNJ356,48615,603–

09Morris County, NJNJ524,25113,420–

10Burlington County, NJNJ481,43912,852–

11Camden County, NJNJ535,79912,771–

12Mercer County, NJNJ399,28910,918–

13Atlantic County, NJNJ278,6578,855–

14Gloucester County, NJNJ312,6388,851–

15Cumberland County, NJNJ157,1488,612–

16Hudson County, NJNJ735,0337,630–

17Warren County, NJNJ112,9536,981–

18Sussex County, NJNJ148,0635,160–

19Cape May County, NJNJ93,3904,544–

20Hunterdon County, NJNJ131,7814,400–

21Salem County, NJNJ66,2803,023–

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS