Marion Township is a civil township of Sanilac County in the U.S. state of Michigan. The population was 1,578 at the 2020 census.
Communities
- Richmondville was the site of a post office from June 1, 1860, until June 30, 1906. The community is located off M-25 on the Lake Huron shoreline.
Geography
According to the United States Census Bureau, the township has a total area of , all land.
Demographics
As of the census