Chatham is located in Sangamon County, IL. The population is 11,807, making Chatham the 2nd largest city in Sangamon County.
There are 6 public schools in Chatham with an average Homefacts rating of A-. The total crime rate for Chatham is low , and there are 0 registered sex offenders residing in the city. Unemployment in Chatham is moderate and the median home sales price is $0. Detailed and up-to-date Chatham property reports are available for any property address.
Cities near Chatham include Chatham Township, Ball Township and Woodside Township.