There was a combined $6 million of farms, rural land, hunting land and other land for sale in DeWitt County, Illinois, recently on Land.com. The total size of all DeWitt County land for sale was 1,000 acres. DeWitt County ranks 79th out of 102 counties in the Inland Empire for the total number of acres of land currently advertised for sale. Of all farms and rural land for sale in DeWitt County, Farmer City featured the most land for sale. DeWitt County is Illinois's 73rd biggest county (405 square miles). It's located in the Central Illinois region of Illinois.