A total of nearly 1,000 acres were listed for sale in Preble County recently, representing a combined $13 million in Preble County farms and ranches for sale. Preble County ranks 62nd out of 88 counties in the Buckeye State for the combined amount of land currently advertised for sale. Of all farms, ranches, and rural real estate for sale in Preble County, Eaton featured the most land for sale. Manufacturing and related services are the largest economic sectors in Preble County. Preble County is Ohio's 53rd biggest county (426 square miles). It's located in the Southwest Ohio region of Ohio.