The overall value of land and rural real estate for sale in Illinois's Champaign County recently on Land.com was approximately $87 million. This represents around 2,000 acres of farms, hunting land and other rural land and acreage for sale in Champaign County. Champaign County ranks 13th in Illinois for the combined amount of land currently advertised for sale. Among cities in Champaign County with farms, rural land, hunting land and other land for sale, Urbana had the most land for sale. From an economic perspective, government and state-level services contribute most to Champaign County's overall GDP. Champaign County is one of the ten biggest counties in Illinois (998 square miles). It's located in the Central Illinois region of the state.