Real Estate in Plainfield, INPlainfield is located in Indiana. Plainfield, Indiana has a population of 33,861. Plainfield is less family-centric than the surrounding county with 35% households with children. The county percentage for households with children is 37%. The median household income in Plainfield, Indiana is $60,673. The median household income for the surrounding county is $72,129 compared to the national median of $57,525. The median age of people living in Plainfield is 37 years. Plainfield EnvironmentThe average high temperature in July is 85.6 degrees, with an average low temperature in January of 18.5 degrees. The annual precipitation is 40.95. Plainfield MapPlainfield Real Estate officesReal Estate near PlainfieldNearby CitiesNearby Cities Homes for Sale |