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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 79.46K people in New Jersey with European ancestry (0.86% of New Jersey population). Among all New Jersey counties, Ocean County had the highest percentage of its population with European ancestry (1.65%), followed by Hunterdon County (1.51%), and Warren County (1.39%).

The chart and table below shows the top 10 counties with high percentage of its population having European 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 European Ancestry in 2021
Ocean County
Hunterdon County
Warren County
Salem County
Burlington County
Monmouth County
Cape May County
Morris County
Sussex County
Somerset County
Ranking of New Jersey Counties By Percentage of Population with European Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Ocean County 1.65
2 Hunterdon County 1.51
3 Warren County 1.39
4 Salem County 1.18
5 Burlington County 1.17
6 Monmouth County 1.07
7 Cape May County 0.93
8 Morris County 0.92
9 Sussex County 0.88
10 Somerset County 0.86
11 Bergen County 0.85
12 Atlantic County 0.78
13 Union County 0.76
14 Camden County 0.75
14 Gloucester County 0.75
14 Mercer County 0.75
15 Essex County 0.74
16 Passaic County 0.64
17 Middlesex County 0.63
18 Hudson County 0.50
19 Cumberland County 0.39