Of 102 counties in the state, Vermilion County ranks eighth in terms of size (901 square miles). Vermilion County is in Central Illinois. The total value of roughly 1,000 acres of ranches recently listed for sale in Vermilion County, Illinois, was $500,000. 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.