Lake Township is a civil township of Menominee County in the U.S. state of Michigan. The population was 501 at the 2020 census,
Geography
The township is on the western edge of Menominee County, bordered to the west and south, across the Menominee River, by Marinette County, Wisconsin. The eastern border of the township is west of the village of Stephenson.
According to the United States Census Bureau, the township has a total area of , of which are land and , or 2.74%, are water.