100 Largest ZIP Codes in the United States by Population in Cass County, Illinois
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Cass County, Illinois.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 62618 | BEARDSTOWN | IL | 7,318 |
| 2 | 62691 | VIRGINIA | IL | 2,355 |
| 3 | 62612 | ASHLAND | IL | 1,482 |
| 4 | 62611 | ARENZVILLE | IL | 1,114 |
| 5 | 62627 | CHANDLERVILLE | IL | 1,023 |
| 6 | 62622 | BLUFF SPRINGS | IL | 90 |