The value of all land for sale in Sioux County recently was nearly $25 million, representing a combined 93 acres of land for sale in Sioux County. Sioux County ranks 46th out of 99 counties in the Hawkeye State for the total number of acres of land currently advertised for sale. There were nine properties listed as sold in Sioux County through the Land Network Comparable Sales Program. This represented a total value of $202,300. Among cities in Sioux County with farms, ranches, and rural real estate for sale, Sioux Center featured the most land for sale. Sioux County is one of the ten biggest counties in Iowa (768 square miles). It's located in the Western Iowa region of Iowa.