Monona County is in Western Iowa. Of the 99 counties in the Hawkeye State, 447,317-acre Monona County ranks 16th by size. Monona County, Iowa, includes around 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of land for sale here was about $5 million. The average price of residential acreage for sale in Monona County was $285,481. The economy here is mainly agricultural. 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.