The De Kalb Post Office is located in the state of Missouri within Buchanan County. This location serves 737 De Kalb residents with a median income of $61,591. It's estimated that approximately 1,176 packages pass through this post office each year.
The De Kalb Post Office is located in the state of Missouri within Buchanan County. This location serves 737 De Kalb residents with a median income of $61,591. It's estimated that approximately 1,176 packages pass through this post office each year.