Gayle L Whitmore (Postmaster)
gayle.l.whitmore@usps.gov
121 N Public Sq
Knoxville, IL 61448
Knoxville, IL 61448
The Knoxville Post Office is located in the state of Illinois within Knox County. This location serves 3,823 Knoxville residents with a median income of $51,821. It's estimated that approximately 6,102 packages pass through this post office each year.