RANKING · 2024 ACS · 21 SHOWN OF 21

Highest Costa Rican population share, New Jersey counties

New Jersey counties ranked by the share of all residents who are Costa Rican origin (2023 American Community Survey). A concentration measure: Costa Rican 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 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

Highest Costa Rican population share by state

RANKPLACESTATEPOPCOSTA RICAN SHAREVS 2000

01Somerset County, NJNJ356,4861.1%–

02Union County, NJNJ601,8630.6%–

03Passaic County, NJNJ531,6240.6%–

04Mercer County, NJNJ399,2890.5%–

05Morris County, NJNJ524,2510.4%–

06Hunterdon County, NJNJ131,7810.4%–

07Warren County, NJNJ112,9530.3%–

08Ocean County, NJNJ673,7460.2%–

09Middlesex County, NJNJ883,3350.2%–

10Essex County, NJNJ896,3790.2%–

11Monmouth County, NJNJ651,0350.2%–

12Bergen County, NJNJ977,0260.2%–

13Cape May County, NJNJ93,3900.2%–

14Hudson County, NJNJ735,0330.1%–

15Burlington County, NJNJ481,4390.1%–

16Cumberland County, NJNJ157,1480.1%–

17Sussex County, NJNJ148,0630.1%–

18Camden County, NJNJ535,7990.1%–

19Atlantic County, NJNJ278,6570.0%–

20Salem County, NJNJ66,2800.0%–

21Gloucester County, NJNJ312,6380.0%–

SHOWING 1–21 OF 21

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