Sterling Township is one of nine townships in Crawford County, Indiana. As of the 2020 census, its population was 1,603 and it contained 804 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.88%) is land and (or 0.14%) is water. Bluegill Pond and Grant Lake are in this township.
(This list is based on USGS data and may include former settlements.)
The township contains nine cemeteries: Cunningham, Denbo, Grant, Hamilton, Land, Purkhiser, Seton, Sloan and Stewart.