Westville is a village in Georgetown Township, Vermilion County, Illinois, United States. It is part of the 'Danville, Illinois Metropolitan Statistical Area'. The population was 3,175 at the 2000 census, and 2,972 in 2009.
Westville is located on Illinois Route 1 / U.S. Route 150 about 7 miles south of Interstate 74 and the county seat of Danville.
Westville's coordinates are 40°2′36″N 87°38′17″W / 40.04333°N 87.63806°W / 40.04333; -87.63806 (40.043286, -87.637995).