RANKING · 2010 CENSUS · 21 SHOWN OF 21

Highest Slovak population share, New Jersey counties · 2010

New Jersey counties ranked by the share of all residents who are Slovak ancestry (2023 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.

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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 2000

01Hunterdon County, NJNJ131,7811.1%–

02Somerset County, NJNJ356,4860.9%–

03Mercer County, NJNJ399,2890.8%–

04Sussex County, NJNJ148,0630.8%–

05Middlesex County, NJNJ883,3350.8%–

06Ocean County, NJNJ673,7460.7%–

07Warren County, NJNJ112,9530.7%–

08Morris County, NJNJ524,2510.6%–

09Union County, NJNJ601,8630.6%–

10Burlington County, NJNJ481,4390.5%–

11Monmouth County, NJNJ651,0350.5%–

12Passaic County, NJNJ531,6240.4%–

13Bergen County, NJNJ977,0260.3%–

14Gloucester County, NJNJ312,6380.3%–

15Cape May County, NJNJ93,3900.2%–

16Camden County, NJNJ535,7990.2%–

17Atlantic County, NJNJ278,6570.2%–

18Hudson County, NJNJ735,0330.2%–

19Salem County, NJNJ66,2800.2%–

20Essex County, NJNJ896,3790.2%–

21Cumberland County, NJNJ157,1480.1%–

SHOWING 1–21 OF 21

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