RANKING · 2020 CENSUS · 21 SHOWN OF 21

Highest Slovak population share, New Jersey counties · 2020

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, NJNJ131,7810.8%–

02Warren County, NJNJ112,9530.6%–

03Somerset County, NJNJ356,4860.6%–

04Sussex County, NJNJ148,0630.6%–

05Morris County, NJNJ524,2510.5%–

06Ocean County, NJNJ673,7460.5%–

07Middlesex County, NJNJ883,3350.5%–

08Burlington County, NJNJ481,4390.5%–

09Union County, NJNJ601,8630.5%–

10Mercer County, NJNJ399,2890.5%–

11Monmouth County, NJNJ651,0350.4%–

12Gloucester County, NJNJ312,6380.4%–

13Cape May County, NJNJ93,3900.3%–

14Bergen County, NJNJ977,0260.2%–

15Atlantic County, NJNJ278,6570.2%–

16Passaic County, NJNJ531,6240.2%–

17Camden County, NJNJ535,7990.2%–

18Salem County, NJNJ66,2800.1%–

19Hudson County, NJNJ735,0330.1%–

20Essex County, NJNJ896,3790.1%–

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