The combined value of farms, ranches, and rural real estate for sale in Missouri's Jasper County recently on Land.com was nearly $309 million. This represents nearly 9,000 acres of farms, ranches, hunting land and other land for sale in Jasper County. Jasper County ranks second in Missouri for the combined amount of land currently advertised for sale. Among cities in Jasper County with land for sale, Joplin featured the most land for sale. Jasper County is the 45th biggest county (641 square miles) in Missouri. It's located in the Southwest Missouri region of the state.