The county of Marion is located in Illinois and was founded in 1823. There are 39,437 residents in Marion who have access to courthouses in Salem. 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 7,485 residents in Salem, which is 7.1 square miles.