Johnson County is in Central Indiana. Of the 92 counties in the Hospitality State, 205,946-acre Johnson County ranks 76th by size. The most common type of land for sale by combined acreage in Johnson County is house. Browse all Johnson 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.