RANKING · 2024 ACS · 21 SHOWN OF 21

Highest Slovak population share, New Jersey counties

New Jersey counties ranked by the share of all residents who are Slovak ancestry (2024 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide.

Slovak Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSLOVAK SHAREVS 2010

01Hunterdon County, NJNJ131,7810.8%−0.3 pts

02Somerset County, NJNJ356,4860.6%−0.3 pts

03Warren County, NJNJ112,9530.5%−0.1 pts

04Mercer County, NJNJ399,2890.5%−0.3 pts

05Ocean County, NJNJ673,7460.5%−0.2 pts

06Morris County, NJNJ524,2510.4%−0.2 pts

07Sussex County, NJNJ148,0630.4%−0.3 pts

08Burlington County, NJNJ481,4390.4%−0.1 pts

09Middlesex County, NJNJ883,3350.3%−0.4 pts

10Union County, NJNJ601,8630.3%−0.3 pts

11Monmouth County, NJNJ651,0350.3%−0.1 pts

12Cape May County, NJNJ93,3900.3%+0.0 pts

13Gloucester County, NJNJ312,6380.3%−0.1 pts

14Passaic County, NJNJ531,6240.2%−0.2 pts

15Atlantic County, NJNJ278,6570.2%−0.0 pts

16Bergen County, NJNJ977,0260.2%−0.1 pts

17Camden County, NJNJ535,7990.1%−0.1 pts

18Cumberland County, NJNJ157,1480.1%−0.0 pts

19Hudson County, NJNJ735,0330.1%−0.1 pts

20Salem County, NJNJ66,2800.1%−0.1 pts

21Essex County, NJNJ896,3790.1%−0.1 pts

SHOWING 1–21 OF 21

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES