New Jersey Population By County in 2018

Based on the US Census Vintage data estimates, in 2018, the population of New Jersey was 8,891,730. Among all New Jersey counties, Bergen[object Promise] had the highest population (932,897), followed by Middlesex[object Promise] (825,677), and Essex[object Promise] (800,530). Salem[object Promise] was the least populated county (62,776).

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.