Mason Township, Cerro Gordo County, Iowa

Mason Township is one of sixteen townships in Cerro Gordo County, Iowa, United States. As of the 2000 census, its population was 464.

Geography
Mason Township covers an area of 18.1 sqmi and contains no incorporated settlements. It is the smallest township in area in the county. Mason City, the county seat, borders it to the north. A very tiny exclave of the township actually lies just northeast of Mason City.