Of 105 counties in the Sunflower State, Ottawa County ranks 58th in terms of size (721 square miles). Ottawa County is in Tallgrass Prairie Kansas. There is around 1,000 acres of ranches for sale in Kansas's Ottawa County based on recent Land Network data. The combined market value of land for sale here is almost $300,000. Browse all Ottawa 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 Ottawa County is farms.