Of 99 counties in the state, Polk County is 24th in terms of its size (591 square miles). Polk County is in Central Iowa. Polk County, Iowa, has roughly 1,000 acres of ranches for sale based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here was approximately $4 million. Browse all Polk County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Polk County is residential property.