There was a combined approximately $6 million of farms, ranches, hunting land and other land for sale in Iowa's Buena Vista County recently on Land.com. The total size of all Buena Vista County land and rural real estate for sale was around 1,000 acres. Buena Vista County ranks 78th in the Cyclone State for the combined amount of land currently advertised for sale. Among cities in Buena Vista County with land and rural real estate for sale, Storm Lake had the most land for sale. Buena Vista County is Iowa's 33rd largest county (580 square miles). It's located in the Western Iowa region of the state.