Of 87 counties in the North Star State, Olmsted County ranks 48th by size (654 square miles). Olmsted County is in Southern Minnesota. Olmsted County, Minnesota, has around 1,000 acres of ranches for sale based on recent Land Network data. The combined market value of farmsand rural real estate for sale here was $1 million. Browse all Olmsted 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 Olmsted County is undeveloped land.