New Jersey Immigrant or Foreign-Born Population By County in 2021 (ACS-5Yrs)

Based on the US Census ACS-5Yrs estimates, in 2021, the total immigrant or foreign-born population in New Jersey was 2.12M which was 22.91% of New Jersey's population. Among all New Jersey counties, Hudson had the highest immigrant population (306.22K) and immigrants constituted 42.93% of its population, followed by Bergen (pop: 294.23K, perc: 30.88%), and then Middlesex (pop: 286.81K, perc: 33.40%).

On the other hand, the counties with the least number of immigrant population were: Salem (pop: 2.44K, perc: 3.78%), Cape May (pop: 4.63K, perc: 4.85%), and Warren (pop: 10.00K, perc: 9.15%),

The chart and table below shows the immigrant or foreign-born population of each county and the percentage of each county's population that are immigrants.

You can see similar information for other states and by state for the United States.