Of 99 counties in the Cyclone State, 974-square-mile Kossuth County ranks first by size. Kossuth County is in the Western Iowa region. The most common type of land for sale by combined acreage in Kossuth County is house. Browse all Kossuth 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.