Mayhew Lake Township is a township in Benton County, Minnesota, United States. The population was 831 as of the 2010 census. Mayhew Lake Township was named for George V. Mayhew, an early settler of Benton County who became a state legislator.
Geography
According to the United States Census Bureau, the township has a total area of , of which is land and , or 0.66%, is water.