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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 866.73K people in New Jersey with German ancestry (9.39% of New Jersey population). Among all New Jersey counties, Warren County had the highest percentage of its population with German ancestry (21.03%), followed by Hunterdon County (20.00%), and Sussex County (18.92%).

The chart and table below shows the top 10 counties with high percentage of its population having German 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 German Ancestry in 2021
Warren County
Hunterdon County
Sussex County
Salem County
Cape May County
Gloucester County
Burlington County
Ocean County
Morris County
Camden County
Ranking of New Jersey Counties By Percentage of Population with German Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Warren County 21.03
2 Hunterdon County 20.00
3 Sussex County 18.92
4 Salem County 18.32
5 Cape May County 18.23
6 Gloucester County 17.89
7 Burlington County 15.11
8 Ocean County 13.76
9 Morris County 13.35
10 Camden County 12.36
11 Atlantic County 11.98
12 Monmouth County 11.74
13 Somerset County 9.07
14 Mercer County 9.06
15 Cumberland County 8.97
16 Bergen County 7.52
17 Middlesex County 5.71
18 Union County 5.15
19 Passaic County 5.06
20 Essex County 3.50
21 Hudson County 3.44