RANKING · 2024 ACS · 21 SHOWN OF 21

Largest American population, New Jersey counties

New Jersey counties ranked by the number of residents who are American ancestry, from the 2024 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.

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 2010

01Ocean County, NJNJ673,74648,827+94%

02Bergen County, NJNJ977,02627,159+30%

03Essex County, NJNJ896,37927,010+25%

04Monmouth County, NJNJ651,03526,124−13%

05Union County, NJNJ601,86323,315+32%

06Middlesex County, NJNJ883,33520,933−10%

07Hudson County, NJNJ735,03316,266+113%

08Camden County, NJNJ535,79915,414+21%

09Morris County, NJNJ524,25115,112+13%

10Burlington County, NJNJ481,43915,021+17%

11Passaic County, NJNJ531,62413,034−30%

12Somerset County, NJNJ356,48611,385−27%

13Mercer County, NJNJ399,2899,301−15%

14Gloucester County, NJNJ312,6388,994+2%

15Atlantic County, NJNJ278,6577,512−15%

16Sussex County, NJNJ148,0636,016+17%

17Cumberland County, NJNJ157,1485,403−37%

18Hunterdon County, NJNJ131,7814,690+7%

19Warren County, NJNJ112,9533,990−43%

20Cape May County, NJNJ93,3902,849−37%

21Salem County, NJNJ66,2802,501−17%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES