The overall value of farms, hunting land and other rural land and acreage for sale in Champaign County, Illinois, recently on Land.com was nearly $93 million. This represents around 2,000 acres of farms and rural land for sale in Champaign County. Champaign County ranks 11th out of 102 counties in Illinois for the total acreage of land currently advertised for sale. Among cities in Champaign County with land and rural real estate 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 largest counties in Illinois (998 square miles). It's located in the Central Illinois region of the state.