The Knox Post Office is located in the state of Pennsylvania within Clarion County. This location serves 4,281 Knox residents with a median income of $46,979. It's estimated that approximately 6,833 packages pass through this post office each year.
The Knox Post Office is located in the state of Pennsylvania within Clarion County. This location serves 4,281 Knox residents with a median income of $46,979. It's estimated that approximately 6,833 packages pass through this post office each year.