Hardin County is in Central Iowa. Of the 99 counties in the Cyclone State, 569-square-mile Hardin County ranks 58th by size. Iowa's Hardin County includes 1,000 acres of residential land and property for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was roughly $7 million. The average price of residential acreage for sale in Hardin County was $200,615. The economy here is largely 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.