N Plainfield Real EstateN Plainfield real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a N Plainfield real estate agent to arrange a tour today! N Plainfield, New Jersey has a population of 25,548. The median household income in N Plainfield, New Jersey is $56,425. The median household income for the surrounding county is $73,376 compared to the national median of $57,652. The median age of people living in N Plainfield is 34.2 years. N Plainfield WeatherThe average high temperature in July is 86.9 degrees, with an average low temperature in January of 23 degrees. The average rainfall is approximately 48.5 inches per year, with 22.8 inches of snow per year. Nearby Homes for Sale |