The Gypsum Post Office is located in the state of Ohio within Ottawa County. This location serves 95 Gypsum residents with a median income of $47,708. It's estimated that approximately 152 packages pass through this post office each year.
The Gypsum Post Office is located in the state of Ohio within Ottawa County. This location serves 95 Gypsum residents with a median income of $47,708. It's estimated that approximately 152 packages pass through this post office each year.