RANKING · 2024 ACS · 21 SHOWN OF 21

Largest Costa Rican population, New Jersey counties

New Jersey counties ranked by the number of residents who are Costa Rican origin, 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.

Costa Rican 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

Largest Costa Rican population by state

RANKPLACESTATEPOPCOSTA RICAN POPULATIONVS 2010

01Somerset County, NJNJ356,4863,722+68%

02Union County, NJNJ601,8633,437−13%

03Passaic County, NJNJ531,6242,879+57%

04Morris County, NJNJ524,2512,023+16%

05Mercer County, NJNJ399,2891,874+60%

06Bergen County, NJNJ977,0261,761−5%

07Middlesex County, NJNJ883,3351,727+141%

08Essex County, NJNJ896,3791,700−16%

09Ocean County, NJNJ673,7461,326+102%

10Monmouth County, NJNJ651,0351,194+127%

11Hudson County, NJNJ735,0331,048+14%

12Burlington County, NJNJ481,439564+324%

13Hunterdon County, NJNJ131,781503+131%

14Warren County, NJNJ112,953327−29%

15Camden County, NJNJ535,799289+34%

16Cape May County, NJNJ93,390173+131%

17Cumberland County, NJNJ157,148149+133%

18Sussex County, NJNJ148,063108+980%

19Atlantic County, NJNJ278,65780–

20Gloucester County, NJNJ312,63867+103%

21Salem County, NJNJ66,28015–

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

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