A total of 1,000 acres were listed for sale in Vermilion County, Illinois, recently; the overall value of all Vermilion County farms, hunting land and other rural land and acreage for sale was $18 million. Vermilion County ranks 43rd out of 102 counties in the Land of Lincoln for the total number of acres of land currently advertised for sale. 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.