A total of 2,000 acres were listed for sale in Missouri's Cooper County recently, representing a combined approximately $42 million in Cooper County ranches, farms, hunting land and other rural land and acreage for sale. Cooper County ranks 56th out of 115 counties in the Gateway State for the total number of acres of land currently advertised for sale. Of all farms and ranches for sale in Cooper County, Boonville had the most land for sale. Cooper County is Missouri's 63rd biggest county (569 square miles). It's located in the Central Missouri region of Missouri.