The value of all farms, rural land, hunting land and other land for sale in Illinois's Champaign County recently was almost $88 million, representing a total of 839 acres of land for sale in Champaign County. Champaign County ranks 11th out of 102 counties in the Inland Empire for the combined amount of land currently advertised for sale. Of all locations in Champaign County with farms and rural real estate for sale, Urbana had the most land for sale. Government and state-level services are the main economic drivers in Champaign County. Champaign County is one of the ten largest counties in Illinois (998 square miles). It's located in the Central Illinois region of Illinois.