The Erie Post Office is located in the state of Illinois within Whiteside County. This location serves 2,737 Erie residents with a median income of $51,739. It's estimated that approximately 4,369 packages pass through this post office each year.
The Erie Post Office is located in the state of Illinois within Whiteside County. This location serves 2,737 Erie residents with a median income of $51,739. It's estimated that approximately 4,369 packages pass through this post office each year.