Helen R Hungerford (Postmaster)
helen.r.hungerford@usps.gov
230 Superior St
Muir, MI 48860
Muir, MI 48860
The Muir Post Office is located in the state of Michigan within Ionia County. This location serves 1,334 Muir residents with a median income of $50,313. It's estimated that approximately 2,129 packages pass through this post office each year.