Carrie S Clawson (Postmaster)
carrie.s.clawson@usps.gov
103 S 4th St
Keithsburg, IL 61442
Keithsburg, IL 61442
The Keithsburg Post Office is located in the state of Illinois within Mercer County. This location serves 762 Keithsburg residents with a median income of $35,568. It's estimated that approximately 1,216 packages pass through this post office each year.