A total of almost 1,000 acres were listed for sale in Delaware County, Iowa, recently, representing a total value of around $18 million in Delaware County land for sale. Delaware County ranks 69th out of 99 counties in the Wrestling State for the combined amount of land currently advertised for sale. Of all farms and ranches for sale in Delaware County, Manchester featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Delaware County. Delaware County is Iowa's 35th biggest county (578 square miles). It's located in the Eastern Iowa region of the state.