Land for sale in Iowa's Mills County recently totaled $17 million and around 1,000 acres. Mills County ranks 48th in the state for the total acreage of land currently advertised for sale. Among cities in Mills County with ranches, farms, hunting land and other rural land and acreage for sale, Pacific Junction had the most land for sale. From an economic perspective, government and state-level services contribute most to Mills County's overall GDP. Mills County is Iowa's 80th biggest county (440 square miles). It's located in the Western Iowa region of Iowa.