Hillside is located in Union County, NJ. The population is , making Hillside the 7th largest city in Union County.
There are 6 public schools in Hillside with an average Homefacts rating of C-. The total crime rate for Hillside is low , and there are 6 registered sex offenders residing in the city. Unemployment in Hillside is moderate and the median home sales price is $0. Detailed and up-to-date Hillside property reports are available for any property address.
Cities near Hillside include Irvington Township, Union Township and Elizabeth.