Frederick Gillette (Postmaster)
frederick.s.gillette@usps.gov
300 Trowbridge St
Allegan, MI 49010
Allegan, MI 49010
The Allegan Post Office is located in the state of Michigan within Allegan County. This location serves 17,374 Allegan residents with a median income of $46,602. It's estimated that approximately 27,731 packages pass through this post office each year.