Knightstown is a town in Wayne Township, Henry County, Indiana, adjacent to Rush County, along the Big Blue River. The population was 2,182 at the 2010 census. It is approximately thirty-two miles east of Indianapolis. Knightstown is famous for the 1986 film Hoosiers. The Hoosier Gym was used in the filming of the film. Knightstown hosts two annual festivals: Jubilee Days held in early-mid June and The Hoosier Fall Festival held in September. Knightstown also hosts an annual car show and a music series on the town square. The Hoosier Gym also hosts Indiana's best high school basketball players in the annual Hoosier Classic.