The county of Hamilton is located in Illinois and was founded in 1821. There are 8,457 residents in Hamilton who have access to courthouses in McLeansboro. In general, each county has a full set of courts, from traffic court to superior and appellate court; supreme courts are usually located in the state capital. Illinois is part of the 7th federal circuit court as well.
There are 2,883 residents in McLeansboro, which is 2.7 square miles.