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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 14.20K people in New Jersey with Swiss ancestry (0.15% of New Jersey population). Among all New Jersey counties, Warren County had the highest percentage of its population with Swiss ancestry (0.54%), followed by Hunterdon County (0.39%), and Morris County (0.39%).

The chart and table below shows the top 10 counties with high percentage of its population having Swiss 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 Swiss Ancestry in 2021
Warren County
Hunterdon County
Morris County
Somerset County
Salem County
Cape May County
Sussex County
Bergen County
Monmouth County
Burlington County
Ranking of New Jersey Counties By Percentage of Population with Swiss Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Warren County 0.54
2 Hunterdon County 0.39
2 Morris County 0.39
3 Somerset County 0.31
4 Salem County 0.28
5 Cape May County 0.26
5 Sussex County 0.26
6 Bergen County 0.21
7 Monmouth County 0.19
8 Burlington County 0.13
8 Gloucester County 0.13
8 Ocean County 0.13
9 Mercer County 0.12
10 Passaic County 0.11
11 Camden County 0.10
11 Middlesex County 0.10
12 Atlantic County 0.09
12 Cumberland County 0.09
13 Union County 0.08
14 Hudson County 0.07
15 Essex County 0.06