The value of all farms, ranches, and rural real estate for sale in Jasper County, Missouri, recently was $306 million, representing a total of 7,767 acres of land for sale in Jasper County. Jasper County ranks second out of 115 counties in the Show Me State for the combined amount of land currently advertised for sale. Of all locations 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 Missouri.