Cass County Post Offices

213 W Frederick St
Arenzville, Illinois 62611

124 N Yates St
Ashland, Illinois 62612

101 E Main St
Beardstown, Illinois 62618

7463 S Bluff Springs Rd
Bluff Springs, Illinois 62622

201 S Main St
Chandlerville, Illinois 62627

230 E Beardstown St
Virginia, Illinois 62691

Cass County

There are 6 US Post Offices in Cass County serving a total of 14,404 residents equating to 2,401 residents per post office. It's estimated that approximately 22,990 packages are handled across the 6 county post offices annually. Cass County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 13,642. Its county seat is Virginia. It is the home of the Jim Edgar Panther Creek State Fish and Wildlife Area."