Of 102 counties in the state, DeWitt County is 73rd in terms of its size (405 square miles). DeWitt County is in Central Illinois. There is about 1,000 acres of riverfront land and property for sale in DeWitt County, Illinois, based on recent Land Network data. The combined market value of farms and rural land for sale here is about $300,000. Browse all waterfront property for sale in DeWitt County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in DeWitt County is homesite.