Hamilton County is in Central Iowa. Of the 99 counties in the Wrestling State, Hamilton County ranks 38th in terms of size (577 square miles). Iowa's Hamilton County includes around 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was nearly $5 million. The average price of residential land for sale in Hamilton County was $273,627. 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.