There was a combined almost $11 million of farms, rural land, hunting land and other land for sale in DeWitt County recently on Land.com. The total of all DeWitt County farms and rural real estate for sale was almost 1,000 acres. DeWitt County ranks 71st out of 102 counties in Illinois for the total acreage of land currently advertised for sale. Of all farms and rural land for sale in DeWitt County, Farmer City had the most land for sale. DeWitt County is the 73rd biggest county (405 square miles) in Illinois. It's located in the Central Illinois region of the state.