Eureka, IL
ZIP Codes in Eureka, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 61530 | 6,614 | 40.7087, -89.2649 |
Eureka has 1 ZIP code
ZIP Codes in Eureka, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 61530 | 6,614 | 40.7087, -89.2649 |