The Delphos Post Office is located in the state of Kansas within Ottawa County. This location serves 636 Delphos residents with a median income of $60,227. It's estimated that approximately 1,015 packages pass through this post office each year.
The Delphos Post Office is located in the state of Kansas within Ottawa County. This location serves 636 Delphos residents with a median income of $60,227. It's estimated that approximately 1,015 packages pass through this post office each year.