The Griswold Post Office is located in the state of Iowa within Cass County. This location serves 1,923 Griswold residents with a median income of $47,365. It's estimated that approximately 3,069 packages pass through this post office each year.
The Griswold Post Office is located in the state of Iowa within Cass County. This location serves 1,923 Griswold residents with a median income of $47,365. It's estimated that approximately 3,069 packages pass through this post office each year.