Jennifer A Blackert (Postmaster)
jennifer.a.blackert@usps.gov
104 N Main St
Walnut, IL 61376
Walnut, IL 61376
The Walnut Post Office is located in the state of Illinois within Bureau County. This location serves 2,280 Walnut residents with a median income of $56,100. It's estimated that approximately 3,639 packages pass through this post office each year.