There was a total of nearly $13 million of farms, ranches, and rural real estate for sale in Adams County, Iowa, recently on Land.com. The total acreage of all Adams County land and rural real estate for sale was approximately 2,000 acres. Adams County ranks 81st in the Hawkeye State for the total acreage of land currently advertised for sale. Of all locations in Adams County with land and rural real estate for sale, Corning had the most land for sale. Manufacturing and related services are the largest economic sectors in Adams County. Adams County is the 92nd largest county (425 square miles) in Iowa. It's located in the Western Iowa region of Iowa.