The Harmon Post Office is located in the state of Illinois within Lee County. This location serves 527 Harmon residents with a median income of $46,250. It's estimated that approximately 841 packages pass through this post office each year.
The Harmon Post Office is located in the state of Illinois within Lee County. This location serves 527 Harmon residents with a median income of $46,250. It's estimated that approximately 841 packages pass through this post office each year.