The Lamar Post Office is located in the state of Missouri within Barton County. This location serves 8,244 Lamar residents with a median income of $42,378. It's estimated that approximately 13,158 packages pass through this post office each year.
The Lamar Post Office is located in the state of Missouri within Barton County. This location serves 8,244 Lamar residents with a median income of $42,378. It's estimated that approximately 13,158 packages pass through this post office each year.