Illinois City, IL
ZIP Codes in Illinois City, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 61259 | 1,379 | 41.3856, -90.9245 |
Illinois City has 1 ZIP code
ZIP Codes in Illinois City, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 61259 | 1,379 | 41.3856, -90.9245 |