A total of almost 1,000 acres were listed for sale in Delaware County recently, representing a combined approximately $8 million in Delaware County land and rural real estate for sale. Delaware County ranks 87th out of 99 counties in the Hawkeye State for the total acreage of land currently advertised for sale. Of all locations in Delaware County with farms, ranches, hunting land and other land for sale, Manchester featured the most land for sale. Manufacturing and related services are the largest economic sectors in Delaware County. Delaware County is the 35th biggest county (578 square miles) in Iowa. It's located in the Eastern Iowa region of the state.