According to the 2010 census, the township has a total area of , of which (or 98.46%) is land and (or 1.54%) is water. The
White River defines the north border of the township, as well as the north border of Pike County.
Unincorporated towns •
Union at (This list is based on USGS data and may include former settlements.)
Cemeteries The township contains these five cemeteries: Bethlehem, Catt, Frederick, Independent Order of Odd Fellows and Odd Fellows. ==School districts==