The county of Washington is located in Illinois and was founded in 1818. There are 14,716 residents in Washington who have access to courthouses in Nashville. 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 3,258 residents in Nashville, which is 2.8 square miles. It was settled in June 8, 1830.