There was a total of nearly $3 million of farms and rural land for sale in Shelby County, Illinois, recently on Land.com. The total of all Shelby County farms and rural land for sale was nearly 1,000 acres. Shelby County ranks 91st in Illinois for the combined amount of land currently advertised for sale. Of all locations in Shelby County with farms, rural land, hunting land and other land for sale, Herrick had the most land for sale. Its economy is defined as agricultural, with 1,282 farms recorded in the county during the most recent U.S. Census. Farming activities in Shelby County generate annual revenues of $29 million, most of which is from crops. Shelby County is Illinois's 18th biggest county (768 square miles). It's located in the Central Illinois region of the state.