Oak Park Township is one of 29 townships in Cook County, Illinois and its boundaries are coterminous with the village of Oak Park. As of the 2010 census, its population was 51,878. Adjacent townships Leyden Township (northwest) River Forest Township (west) Proviso Township (west) Berwyn Township (south) Cicero Township (southeast) References External links Townships in Cook County, Illinois Townships in Illinois eo:Oak Park