The combined value of land for sale in Iowa's Jackson County recently on Land.com was nearly $13 million. This represents almost 1,000 acres of farms, ranches, and rural real estate for sale in Jackson County. Jackson County ranks 68th in the Wrestling State for the total number of acres of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Jackson County, Maquoketa had the most land for sale. Jackson County is Iowa's 19th largest county (649 square miles). It's located in the Eastern Iowa region of Iowa.