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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 11.66K people in New Jersey with Canadian ancestry (0.13% of New Jersey population). Among all New Jersey counties, Mercer County had the highest percentage of its population with Canadian ancestry (0.23%), followed by Morris County (0.23%), and Ocean County (0.23%).

The chart and table below shows the top 10 counties with high percentage of its population having Canadian 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 Canadian Ancestry in 2021
Mercer County
Morris County
Ocean County
Sussex County
Somerset County
Bergen County
Hunterdon County
Hudson County
Salem County
Burlington County
Ranking of New Jersey Counties By Percentage of Population with Canadian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Mercer County 0.23
1 Morris County 0.23
1 Ocean County 0.23
2 Sussex County 0.22
3 Somerset County 0.16
4 Bergen County 0.14
4 Hunterdon County 0.14
5 Hudson County 0.13
6 Salem County 0.12
7 Burlington County 0.11
7 Essex County 0.11
7 Monmouth County 0.11
8 Atlantic County 0.08
8 Camden County 0.08
8 Cape May County 0.08
8 Gloucester County 0.08
8 Passaic County 0.08
8 Union County 0.08
9 Middlesex County 0.07
9 Warren County 0.07
10 Cumberland County 0.02