A combined nearly 1,000 acres were listed for sale in Illinois's Douglas County recently; the value of all Douglas County farms and rural land for sale was around $3 million. Douglas County ranks 63rd out of 102 counties in the Inland Empire for the combined amount of land currently advertised for sale. Among cities in Douglas County with farms and rural land for sale, Camargo had the most land for sale. Manufacturing and related services are the largest economic sectors in Douglas County. Douglas County is Illinois's 72nd biggest county (417 square miles). It's located in the Central Illinois region of the state.