A total of around 1,000 acres were listed for sale in Mills County recently; the value of all Mills County farms, ranches, hunting land and other land for sale was around $31 million. Mills County ranks 23rd out of 99 counties in the Cyclone State for the total acreage of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Mills County, Glenwood 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 the 80th largest county (440 square miles) in Iowa. It's located in the Western Iowa region of the state.