Sugar Creek Township is one of twelve townships in Boone County, Indiana. As of the 2010 census, its population was 2,243 and it contained 919 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.94%) is land and (or 0.09%) is water. The township is named for the Sugar Creek.
The township contains seven cemeteries: Gipson, Sugar Plain, Old Cemetery, Walnut Grove, Green, Curry and Maple Lawn.