The total value of farms and ranches for sale in Douglas County recently on Land.com was $65 million. This represents nearly 9,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Douglas County. Douglas County ranks 39th out of 115 counties in the state for the total number of acres of land currently advertised for sale. Among cities in Douglas County with land and rural real estate for sale, Ava featured the most land for sale. Douglas County is one of the ten largest counties in Missouri (814 square miles). It's located in the Southwest Missouri region of Missouri.