The value of all farms, ranches, and rural real estate for sale in Iowa's Adams County recently was nearly $47 million, representing a total of 1,330 acres of land for sale in Adams County. Adams County ranks 79th out of 99 counties in the Hawkeye State for the total acreage of land currently advertised for sale. Of all locations in Adams County with farms, ranches, and rural real estate for sale, Corning had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Adams County. Adams County is Iowa's 92nd largest county (425 square miles). It's located in the Western Iowa region of the state.