Bolivar Township is one of eleven townships in Benton County, Indiana. As of the 2020 census, its population was 1,179 and it contained 514 housing units. Bolivar Township was organized in March 1860 and named for South American liberator Simón Bolivar.
According to the 2020 census, the township has a total area of , all land.
The township contains one cemetery, Griffin.
Benton Community School Corporation