Wood River Township is a township located in Madison County, Illinois, in the United States. It is part of the Greater St. Louis metropolitan area and covers a total area of approximately 36 square miles. The township includes several communities, with Wood River being the largest city within its boundaries. Established in the early 19th century, Wood River Township has a rich history tied to the development of the region. The township is primarily residential, with various parks and recreational facilities available for residents. It also features local schools and businesses that contribute to the community's economy and quality of life.