Of 99 counties in the Hawkeye State, Delaware County ranks 35th in terms of size (578 square miles). Delaware County is in Eastern Iowa. There is approximately 1,000 acres of riverfront homes and property for sale in Delaware County, Iowa, based on recent Land Network data. The combined market value of land and rural real estate for sale here is nearly $400,000. Browse all waterfront property for sale in Delaware County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Delaware County is residential property.