There was a total of around $8 million of land and rural real estate for sale in Iowa's Buena Vista County recently on Land.com. The total size of all Buena Vista County farms and ranches for sale was 1,000 acres. Buena Vista County ranks 77th out of 99 counties in the Hawkeye State for the total number of acres of land currently advertised for sale. Of all locations in Buena Vista County with land and rural real estate for sale, Storm Lake featured 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 Iowa.