The combined value of farmsand rural real estate for sale in Perry County, Illinois, recently on Land.com was around $4 million. This represents around 1,000 acres of land and rural real estate for sale in Perry County. Perry County ranks 88th in the Land of Lincoln for the total number of acres of land currently advertised for sale. Of all farms and rural land for sale in Perry County, Du Quoin had the most land for sale. Government and state-level services are the main economic drivers in Perry County. Perry County is Illinois's 63rd biggest county (446 square miles). It's located in the Southern Illinois region of Illinois.