A combined 1,000 acres were listed for sale in Illinois's DeWitt County recently; the combined value of all DeWitt County farms and rural land for sale was nearly $5 million. DeWitt County ranks 75th in the state for the combined amount of land currently advertised for sale. Of all locations in DeWitt County with farms and rural real estate for sale, Farmer City featured the most land for sale. DeWitt County is Illinois's 73rd largest county (405 square miles). It's located in the Central Illinois region of Illinois.