Portage Township is a civil township of Mackinac County in the U.S. state of Michigan. As of the 2020 census, its population was 907, down from 981 in 2010.
Geography Portage Township occupies the northwest corner of Mackinac County, northwest of St. Ignace, the county seat. The township is bordered to the north by Luce County and to the west by Schoolcraft County.
According to the U.S. Census Bureau, the township has a total area of , of which are land and (23.29%) are water.
Major highways
Communities Curtis is an unincorporated community located on an isthmus between Manistique Lake and South Manistique Lake at .
Demographics As of 2020, its population was 907.
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