Delaware County is in Eastern Iowa. Of the 99 counties in the Hawkeye State, Delaware County ranks 35th in terms of size (370,504 acres). There is almost 1,000 acres of residential land and property for sale in Delaware County, Iowa, based on recent Land Network data, making it the most common type of land for sale in Delaware County. The combined market value of land and rural real estate for sale here is nearly $5 million. The average price of residential land for sale in Delaware County was $471,336. 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.