Allegan Township is a civil township of Allegan County in the U.S. state of Michigan. As of the 2020 census, the population was 4,689.
The city of Allegan is within the township, but is administratively autonomous.
Geography
According to the United States Census Bureau, the township has a total area of , of which is land and , or 4.63%, is water.
Demographics
As of the census