thumb|right|250px|U.S. Post Office in Ash Township ([[Carleton, Michigan|Carleton 48117 ZIP Code)]]
Ash Township is a civil township of Monroe County in the U.S. state of Michigan. As of the 2020 census, the township population was 7,860.
Potter Cemetery is a historic cemetery located in eastern Ash Township.
Communities
- Althone is a former settlement within the township. It was founded by German Catholics and had its own post office briefly from March 28, 1856, until January 30, 1858. The post office was restored and operated for a much longer time from December 29, 1863, until July 18, 1894.
- Briar Hill is a former settlement founded in 1897 along a train station on the Detroit & Lima Northern Railroad. It was located halfway between Carleton and Flat Rock. Briar Hill can be seen within the township on a 1911 map of Monroe County.
- Carleton is a village in the west-central portion of the township.
- Clark City is a former settlement that was built around a stave mill along Swan Creek. The community had its own post office from January 25, 1855, until December 19, 1866.
- Grafton is an unincorporated community located within the township at . It is located along the railway line and contained its own post office from March 14, 1850 to April 30, 1903.
Geography
The township is in northeastern Monroe County, with its northern border forming the Wayne County line. According to the U.S. Census Bureau, the township has a total area of , of which are land and , or 0.68%, are water.
Demographics
As of the census