Portage Township, Mackinac County, Michigan

46°12′19″N 85°44′14″W / 46.20528°N 85.73722°W / 46.20528; -85.73722CountryUnited StatesStateMichiganCountyMackinacGovernment • SupervisorStephen Sicinski • ClerkPatricia MacLachlanArea • Total72.26 sq mi (187.15 km²) • Land55.43 sq mi (143.56 km²) • Water16.83 sq mi (43.59 km²)Elevation696 ft (212 m)Population • Total907 • Density17.7/sq mi (6.8/km²)Time zoneUTC-5 (Eastern (EST)) • Summer (DST)UTC-4 (EDT)ZIP CodesArea code906FIPS code26-65600^[3]GNIS feature ID1626927^[4]

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,^[5] down from 981 in 2010.

Portage Township occupies the northwest corner of Mackinac County, 60 miles (97 km) 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 72.26 square miles (187.15 km²), of which 55.43 square miles (143.56 km²) are land and 16.83 square miles (43.59 km²) (23.29%) are water.^[1]

• H-33
• H-42

• Curtis is an unincorporated community located on an isthmus between Manistique Lake and South Manistique Lake at 46°12′21″N 85°44′43″W / 46.20583°N 85.74528°W / 46.20583; -85.74528.^[6]

As of 2020, its population was 907.^[5]

• 
  Unincorporated community of Curtis
• 
  South Manistique Lake
• 
  Manistique Lake