A total of approximately 1,000 acres were listed for sale in Vermilion County, Illinois, recently; the value of all Vermilion County land and rural real estate for sale was nearly $11 million. Vermilion County ranks 53rd out of 102 counties in the Prairie State for the total acreage of land currently advertised for sale. Of all farms and rural land for sale in Vermilion County, Danville featured the most land for sale. Vermilion County is one of the ten largest counties in Illinois (901 square miles). It's located in the Central Illinois region of the state.