RANKING · 2020 CENSUS · 21 SHOWN OF 21

Highest South American population share, New Jersey counties · 2020

New Jersey counties ranked by the share of all residents who are South American origin (2020 American Community Survey). A concentration measure: South 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 1.9%.

South Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2010

01Hudson County, NJNJ735,03311.3%+0.4 pts

02Union County, NJNJ601,86310.3%+1.9 pts

03Passaic County, NJNJ531,6248.8%+0.6 pts

04Essex County, NJNJ896,3797.0%+1.6 pts

05Bergen County, NJNJ977,0266.3%+1.6 pts

06Morris County, NJNJ524,2514.6%+0.4 pts

07Somerset County, NJNJ356,4864.2%+0.4 pts

08Middlesex County, NJNJ883,3353.4%+0.8 pts

09Mercer County, NJNJ399,2892.6%+0.6 pts

10Sussex County, NJNJ148,0632.1%+0.8 pts

11Atlantic County, NJNJ278,6571.9%0.0 pts

12Warren County, NJNJ112,9531.7%+0.5 pts

13Monmouth County, NJNJ651,0351.6%+0.6 pts

14Ocean County, NJNJ673,7461.1%+0.1 pts

15Hunterdon County, NJNJ131,7811.1%+0.1 pts

16Burlington County, NJNJ481,4391.0%+0.4 pts

17Camden County, NJNJ535,7990.9%+0.2 pts

18Cumberland County, NJNJ157,1480.6%−0.5 pts

19Gloucester County, NJNJ312,6380.6%+0.2 pts

20Cape May County, NJNJ93,3900.5%+0.1 pts

21Salem County, NJNJ66,2800.3%0.0 pts

SHOWING 1–21 OF 21

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