Mark A Flayler (Postmaster)
mark.a.flayler@usps.gov
133 N Harrison St
New Madison, OH 45346
New Madison, OH 45346
The New Madison Post Office is located in the state of Ohio within Darke County. This location serves 2,293 New Madison residents with a median income of $65,848. It's estimated that approximately 3,660 packages pass through this post office each year.