Of 102 counties in the Prairie State, Vermilion County is eighth in terms of its size (901 square miles). Vermilion County is in Central Illinois. Recent listings of ranches for sale in Illinois's Vermilion County totals around 1,000 acres and a combined market value of $500,000. The most common type of land for sale by combined acreage in Vermilion County is house. Browse all Vermilion 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 Vermilion County is house.