The value of land for sale in Missouri's Miller County recently on Land.com was approximately $109 million. This represents around 5,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Miller County. Miller County ranks 40th in Missouri for the total number of acres of land currently advertised for sale. Of all locations in Miller County with land for sale, Eldon had the most land for sale. Miller County is the 56th biggest county (599 square miles) in Missouri. It's located in the Central Missouri region of the state.