The De Witt Post Office is located in the state of Iowa within Clinton County. This location serves 7,618 De Witt residents with a median income of $61,213. It's estimated that approximately 12,159 packages pass through this post office each year.
The De Witt Post Office is located in the state of Iowa within Clinton County. This location serves 7,618 De Witt residents with a median income of $61,213. It's estimated that approximately 12,159 packages pass through this post office each year.