According to the US Census Bureau population estimates, there were 8,891,730 people living in New Jersey in 2018. Bergen County was the most populated county with 932,897 residents, followed by Middlesex County with 825,677 residents, and Essex County with 800,530 residents. Salem County with a population of 62,776 was the least populated county in New Jersey in 2018.
Use the map below to interactively explore the population of each county in New Jersey in 2018. The data can also be explored further by sorting and filtering with the table below.
|County||Population||% of State Population|