The overall value of land and rural real estate for sale in Randolph County, Illinois, recently on Land.com was around $34 million. This represents almost 2,000 acres of farms, hunting land and other rural land and acreage for sale in Randolph County. Randolph County ranks 39th in Illinois for the total number of acres of land currently advertised for sale. Of all locations in Randolph County with farms and rural real estate for sale, Chester featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Randolph County. Randolph County is Illinois's 38th largest county (596 square miles). It's located in the Southwest Illinois region of Illinois.