Ranking of New Jersey Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021 (ACS-5Yrs)

Updated on September 27, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among all New Jersey counties, Hudson had the highest percentage of its population being immigrants or foreign-born (42.93%), followed by Middlesex (33.40%), and Passaic (32.14%).

The chart below shows the top 10 counties, and the table below shows the ranking of all New Jersey counties.

You can see similar information for other states. You can also see the ranking for all counties in the United States.

Ranking of New Jersey Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021
Hudson
Middlesex
Passaic
Bergen
Union
Essex
Somerset
Mercer
Morris
Atlantic
Ranking of New Jersey Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021
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Rank County Perc. of County Population (%)
1 Hudson 42.93
2 Middlesex 33.40
3 Passaic 32.14
4 Bergen 30.88
5 Union 30.78
6 Essex 28.74
7 Somerset 26.54
8 Mercer 23.63
9 Morris 19.50
10 Atlantic 15.87
11 Monmouth 13.15
12 Camden 11.38
13 Cumberland 10.49
14 Burlington 10.31
15 Hunterdon 10.19
16 Warren 9.15
17 Sussex 7.85
18 Ocean 7.76
19 Gloucester 5.47
20 Cape May 4.85
21 Salem 3.78