Muir is a village in Lyons Township, Ionia County in the U.S. state of Michigan. The population was 604 at the 2010 census.
Muir, Michigan
Ionia County is a county located in the U.S. state of Michigan. As of the 2020 census, the population was 66,804. The county seat is Ionia. The Ionia County Courthouse was designed by Claire Allen, a prominent southern Michigan architect.
Ionia County Courthouse in Ionia