A total of almost 1,000 acres were listed for sale in Perry County recently, representing a total value of almost $2 million in Perry County farms, rural land, hunting land and other land for sale. Perry County ranks 94th out of 102 counties in Illinois for the total number of acres of land currently advertised for sale. Du Quoin had the most land for sale. From an economic perspective, government and state-level services contribute most to Perry County's overall GDP. Perry County is the 63rd biggest county (446 square miles) in Illinois. It's located in the Southern Illinois region of Illinois.