Dewey Township is a township in Roseau County, Minnesota, United States. The population was 114 at the 2000 census. Dewey is in the 7th congressional district of Minnesota and is represented by Democrat Collin Peterson.
Dewey Township was named for George Dewey (1837–1917), an American admiral.
Geography
According to the United States Census Bureau, the township has a total area of , all land.
Demographics
As of the census