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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 28.45K people in New Jersey with British ancestry (0.31% of New Jersey population). Among all New Jersey counties, Cape May County had the highest percentage of its population with British ancestry (0.66%), followed by Sussex County (0.66%), and Hunterdon County (0.54%).

The chart and table below shows the top 10 counties with high percentage of its population having British 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 British Ancestry in 2021
Cape May County
Sussex County
Hunterdon County
Somerset County
Morris County
Burlington County
Warren County
Monmouth County
Gloucester County
Mercer County
Ranking of New Jersey Counties By Percentage of Population with British Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Cape May County 0.66
1 Sussex County 0.66
2 Hunterdon County 0.54
3 Somerset County 0.51
4 Morris County 0.48
5 Burlington County 0.46
5 Warren County 0.46
6 Monmouth County 0.42
7 Gloucester County 0.40
8 Mercer County 0.39
9 Ocean County 0.35
10 Salem County 0.31
11 Camden County 0.28
12 Bergen County 0.24
12 Essex County 0.24
13 Hudson County 0.22
14 Passaic County 0.20
15 Middlesex County 0.18
15 Union County 0.18
16 Atlantic County 0.17
17 Cumberland County 0.16