Cerro Gordo Township is a township in Piatt County, Illinois, USA. As of the 2010 census, its population was 2,046 and it contained 874 housing units.
According to the 2010 census, the township has a total area of , all land.
The township contains four cemeteries: Cerro Gordo, Clover, County and LaPlace.
Cerro Gordo is very predominantly white, with the remainder being either Hispanic, of two or more races, or of 'other'.
Cerro Gordo Township is approximately 58% between the ages of 18 and 64, with the average age being 41.2.