The Allen Post Office is located in the state of Kansas within Lyon County. This location serves 536 Allen residents with a median income of $49,583. It's estimated that approximately 856 packages pass through this post office each year.
The Allen Post Office is located in the state of Kansas within Lyon County. This location serves 536 Allen residents with a median income of $49,583. It's estimated that approximately 856 packages pass through this post office each year.