14 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 61021 | Dixon | 22,308 |
| 61310 | Amboy | 3,347 |
| 61006 | Ashton | 1,541 |
| 61031 | Franklin Grove | 1,492 |
| 61353 | Paw Paw | 1,282 |
| 60530 | Lee | 992 |
| 61367 | Sublette | 843 |
| 60553 | Steward | 722 |
| 61318 | Compton | 595 |
| 61378 | West Brooklyn | 513 |
| 61042 | Harmon | 404 |
| 61324 | Eldena | 97 |
| 61057 | Nachusa | 30 |
| 61331 | Lee Center | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 14 ZCTAs in Lee County, Illinois (US Census).