A total of around 1,000 acres were listed for sale in Jackson County, Iowa, recently, representing a total value of approximately $13 million in Jackson County land and rural real estate for sale. Jackson County ranks 80th out of 99 counties in the Hawkeye State for the combined amount of land currently advertised for sale. Of all farms and ranches for sale in Jackson County, Maquoketa featured the most land for sale. Jackson County is the 19th biggest county (649 square miles) in Iowa. It's located in the Eastern Iowa region of the state.