Ranking of New Jersey Counties By Percentage of Population with Slovak Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 31.24K people in New Jersey with Slovak ancestry (0.34% of New Jersey population). Among all New Jersey counties, Hunterdon County had the highest percentage of its population with Slovak ancestry (0.75%), followed by Warren County (0.71%), and Somerset County (0.68%).

The chart and table below shows the top 10 counties with high percentage of its population having Slovak ancestry.

You can see similar information for other states and for other ancestry groups in New Jersey.

Data Source: US Census Bureau.
Ranking of New Jersey Counties By Percentage of Population with Slovak Ancestry in 2021
Hunterdon County
Warren County
Somerset County
Sussex County
Burlington County
Middlesex County
Morris County
Ocean County
Mercer County
Monmouth County
Ranking of New Jersey Counties By Percentage of Population with Slovak Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Hunterdon County 0.75
2 Warren County 0.71
3 Somerset County 0.68
4 Sussex County 0.53
5 Burlington County 0.49
5 Middlesex County 0.49
6 Morris County 0.47
6 Ocean County 0.47
7 Mercer County 0.46
8 Monmouth County 0.40
8 Union County 0.40
9 Gloucester County 0.38
10 Cape May County 0.35
11 Atlantic County 0.24
11 Passaic County 0.24
12 Bergen County 0.21
13 Camden County 0.16
14 Salem County 0.15
15 Hudson County 0.13
16 Cumberland County 0.08
16 Essex County 0.08