Onarga is located in Iroquois County, IL. The population is 1,378, making Onarga the 4th largest city in Iroquois County.
There are 1 public schools in Onarga with an average Homefacts rating of B-. The total crime rate for Onarga is low , and there are 0 registered sex offenders residing in the city. Unemployment in Onarga is moderate and the median home sales price is $0. Detailed and up-to-date Onarga property reports are available for any property address.
Cities near Onarga include Onarga Township, Ridgeland Township and Douglas Township.