Hamilton County is in Central Iowa. Of the 99 counties in the Hawkeye State, 369,607-acre Hamilton County ranks 38th by size. Recent Land Network data shows approximately 1,000 acres of residential land for sale in Iowa's Hamilton County, which is valued at a combined $5 million. The average price of residential acreage for sale in Hamilton County was $261,561. The county has a rural, farm-based economy. 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.