A combined 1,000 acres were listed for sale in Jackson County, Iowa, recently; the value of all Jackson County land for sale was almost $10 million. Jackson County ranks 80th out of 99 counties in the Wrestling State for the total acreage of land currently advertised for sale. Of all locations in Jackson County with ranches, farms, hunting land and other rural land and acreage for sale, Maquoketa had the most land for sale. Jackson County is Iowa's 19th biggest county (649 square miles). It's located in the Eastern Iowa region of the state.