Cedar Creek Township is one of eleven townships in Lake County, Indiana. As of the 2020 census, its population was 12,725, containing 4,710 housing units, up from 12,097 as of 2010.
Cedar Creek Township was established in 1839.
The Buckley Homestead was listed in the National Register of Historic Places in 1984.
According to the 2010 census, the township has a total area of , of which (or 99.08%) is land and (or 0.92%) is water. The township includes most of the town of Lowell, as well the census-designated places Lake Dalecarlia and Shelby.
Cedar Creek Township, along with West Creek Township and Eagle Creek Township, is served by the Tri-Creek School Corporation which includes Lowell High School.