South Plainfield is located in Middlesex County, NJ. The population is 23,520, making South Plainfield the 5th largest city in Middlesex County.
There are 8 public schools in South Plainfield with an average Homefacts rating of B. The total crime rate for South Plainfield is low , and there are 1 registered sex offenders residing in the city. Unemployment in South Plainfield is moderate and the median home sales price is $0. Detailed and up-to-date South Plainfield property reports are available for any property address.
Cities near South Plainfield include Plainfield, Dunellen and Piscataway Township.