The Yankton Post Office is located in the state of South Dakota within Yankton County. This location serves 32 Yankton residents with a median income of $53,305. It's estimated that approximately 51 packages pass through this post office each year.
The Yankton Post Office is located in the state of South Dakota within Yankton County. This location serves 32 Yankton residents with a median income of $53,305. It's estimated that approximately 51 packages pass through this post office each year.