The Mckenna Post Office is located in the state of Washington within Pierce County. This location serves 192 McKenna residents with a median income of $21,875. It's estimated that approximately 306 packages pass through this post office each year.
The Mckenna Post Office is located in the state of Washington within Pierce County. This location serves 192 McKenna residents with a median income of $21,875. It's estimated that approximately 306 packages pass through this post office each year.