North Plainfield is located in New Jersey. North Plainfield, New Jersey has a population of 21,538. North Plainfield is more family-centric than the surrounding county with 35% households with children. The county percentage for households with children is 32%.
The median household income in North Plainfield, New Jersey is $72,021. The median household income for the surrounding county is $116,620 compared to the national median of $66,222. The median age of people living in North Plainfield is 39.2 years.
The average high temperature in July is 86.6 degrees, with an average low temperature in January of 21.5 degrees. The annual precipitation is 49.63.