Portland Township, Plymouth County, Iowa

{{Short description|Township in Plymouth County, Iowa}}

{{Use dmy dates|date=February 2025}}

Portland Township is a township in Plymouth County, Iowa in the United States.{{GNIS|46}} The township is named after ().{{cite book|last=Clark|first=W. L.|title=History of the Counties of Woodbury and Plymouth, Iowa|url=https://books.google.com/books?id=UxEWAwAAQBAJ&pg=PA508|isbn=9785885287425}}

The elevation of Portland Township is listed as 1309 feet above mean sea level.