Prairie Creek Township is one of twelve townships in Vigo County, Indiana, United States. As of the 2010 census, its population was 1,195 and it contained 494 housing units.
According to the 2010 census, the township has a total area of , of which (or 98.55%) is land and (or 1.45%) is water.
The township contains these four cemeteries: Lykens, Shattuck, Watson and Westlawn.