Portland Township, Cerro Gordo County, Iowa

Portland Township is one of sixteen townships in Cerro Gordo County, Iowa, United States. As of the 2000 census, its population was 331.

Geography
Portland Township covers an area of 32.42 sqmi and contains a very small part of the city of Nora Springs (which lies mostly in Floyd County to the east). The unincorporated community of Portland, a census-designated place, is located in the western part of the township, just north of the Winnebago River. The county seat, Mason City, borders the township to the northwest.