There was a combined nearly $3 million of land for sale in Illinois's Douglas County recently on Land.com. The total of all Douglas County farms and rural land for sale was 1,000 acres. Douglas County ranks 69th in the Land of Lincoln for the total acreage of land currently advertised for sale. Among cities in Douglas County with farms, hunting land and other rural land and acreage for sale, Camargo had the most land for sale. Manufacturing and related services are the largest economic sectors in Douglas County. Douglas County is the 72nd biggest county (417 square miles) in Illinois. It's located in the Central Illinois region of the state.