Buena Vista County is in Western Iowa. Of the 99 counties in the Hawkeye State, Buena Vista County is 33rd in terms of its size (580 square miles). Buena Vista County, Iowa, includes about 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here was about $6 million. The average price of residential land for sale in Buena Vista County was $302,532. Browse all residential land and rural property for sale in Iowa to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.