RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest Mexican population, New Jersey counties · 2020

New Jersey counties ranked by the number of residents who are Mexican origin, from the 2020 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.

Mexican Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDHighest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN POPULATIONVS 2010

01Passaic County, NJNJ531,62437,586+12%

02Middlesex County, NJNJ883,33525,838−4%

03Monmouth County, NJNJ651,03518,475−11%

04Hudson County, NJNJ735,03317,852−12%

05Cumberland County, NJNJ157,14815,271+31%

06Ocean County, NJNJ673,74613,713+2%

07Atlantic County, NJNJ278,65713,098+60%

08Camden County, NJNJ535,79912,403+23%

09Bergen County, NJNJ977,02610,907+38%

10Union County, NJNJ601,86310,754−4%

11Essex County, NJNJ896,3797,965−9%

12Morris County, NJNJ524,2517,670+40%

13Somerset County, NJNJ356,4865,682−22%

14Mercer County, NJNJ399,2895,640−5%

15Burlington County, NJNJ481,4393,580+1%

16Gloucester County, NJNJ312,6383,405+27%

17Cape May County, NJNJ93,3902,504+71%

18Salem County, NJNJ66,2801,157+26%

19Hunterdon County, NJNJ131,7811,001−23%

20Warren County, NJNJ112,953836−1%

21Sussex County, NJNJ148,063362−57%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

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