New Jersey Population By County in 2019

Based on the US Census Vintage data estimates, in 2019, the population of New Jersey was 8,891,258. Among all New Jersey counties, Bergen[object Promise] had the highest population (932,256), followed by Middlesex[object Promise] (824,394), and Essex[object Promise] (802,162). Salem[object Promise] was the least populated county (62,341).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

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