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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.80K people in New Jersey with Sierra Leonean ancestry (0.02% of New Jersey population). Among all New Jersey counties, Camden County had the highest percentage of its population with Sierra Leonean ancestry (0.18%), followed by Somerset County (0.08%), and Burlington County (0.04%).

The chart and table below shows the top 9 counties with high percentage of its population having Sierra Leonean 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 Sierra Leonean Ancestry in 2021
Camden County
Somerset County
Burlington County
Essex County
Middlesex County
Hudson County
Mercer County
Monmouth County
Bergen County
Ranking of New Jersey Counties By Percentage of Population with Sierra Leonean Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Camden County 0.18
2 Somerset County 0.08
3 Burlington County 0.04
4 Essex County 0.02
4 Middlesex County 0.02
5 Hudson County 0.01
5 Mercer County 0.01
6 Monmouth County 0.003
7 Bergen County 0.001