Monticello is located in Piatt County, IL. The population is 5,297, making Monticello the largest city in Piatt County.
There are 4 public schools in Monticello with an average Homefacts rating of A-. The total crime rate for Monticello is low , and there are 0 registered sex offenders residing in the city. Unemployment in Monticello is moderate and the median home sales price is $0. Detailed and up-to-date Monticello property reports are available for any property address.
Cities near Monticello include Monticello Township, White Heath and Goose Creek Township.