Clam Union Township, Michigan

Clam Union Township is a civil township of Missaukee County in the U.S. state of Michigan. The population was 907 at the 2020 census.

• Prosper is an unincorporated community in the northern part of the township at A post office operated from July 5, 1901, until May 31, 1914. 
• Vogel Center, or Centre, is an unincorporated community in the township at It was named for John Vogel, the first settler in the township. A post office opened in his store on February 25, 1879, with Arie de Jong as the first postmaster. The office was discontinued on May 31, 1914. 

As of the census