Farmington, IL
ZIP Codes in Farmington, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 61531 | 3,144 | 40.6825, -90.0368 |
Farmington has 1 ZIP code
ZIP Codes in Farmington, Illinois
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 61531 | 3,144 | 40.6825, -90.0368 |