The Annawan Post Office is located in the state of Illinois within Henry County. This location serves 1,258 Annawan residents with a median income of $58,250. It's estimated that approximately 2,008 packages pass through this post office each year.
The Annawan Post Office is located in the state of Illinois within Henry County. This location serves 1,258 Annawan residents with a median income of $58,250. It's estimated that approximately 2,008 packages pass through this post office each year.