Land for sale in Randolph County, Illinois, recently totaled around $10 million and almost 1,000 acres. Randolph County ranks 53rd out of 102 counties in the Inland Empire for the total acreage of land currently advertised for sale. There were three properties listed as sold in Randolph County through the Land Network Comparable Sales Program. This represented a total value of $1,552,788. Among cities in Randolph County with farms, rural land, hunting land and other land for sale, Chester had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Randolph County. Randolph County is the 38th largest county (596 square miles) in Illinois. It's located in the Southwest Illinois region of Illinois.