Caseville Township is a civil township of Huron County in the U.S. state of Michigan. The population was 1,674 at the 2020 census.

The City of Caseville is within the township survey area on M-25 but is independent of the Township.

The township is small and irregularly shaped, consisting of only eight full sections and twelve partial sections. The township is at the opening of Saginaw Bay into Lake Huron and includes Sand Point, which forms the northern shore of Wild Fowl Bay.

Geography

According to the United States Census Bureau, the township has a total area of , of which is land and (1.97%) is water.

Demographics

As of the census