Wabash County Post Offices

304 E Main St
Allendale, Illinois 62410

210 Main St
Bellmont, Illinois 62811

9337 W Market St
Keensburg, Illinois 62852

503 N Market St
Mount Carmel, Illinois 62863

Wabash County

There are 4 US Post Offices in Wabash County serving a total of 11,638 residents equating to 2,910 residents per post office. It's estimated that approximately 18,576 packages are handled across the 4 county post offices annually. Wabash County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 11,947. Its county seat is Mount Carmel. It is located in the southern portion of Illinois known locally as \"Little Egypt\"."