The Mercer Post Office is located in the state of Missouri within Mercer County. This location serves 916 Mercer residents with a median income of $30,893. It's estimated that approximately 1,462 packages pass through this post office each year.
The Mercer Post Office is located in the state of Missouri within Mercer County. This location serves 916 Mercer residents with a median income of $30,893. It's estimated that approximately 1,462 packages pass through this post office each year.