According to the US Census Bureau population estimates, there were 8,886,025 people living in New Jersey in 2018. Bergen County was the most populated county with 932,816 residents, followed by Middlesex County with 826,172 residents, and Essex County with 798,570 residents. Salem County with a population of 62,746 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|