11 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 62231 | Carlyle | 6,521 |
| 62230 | Breese | 6,406 |
| 62293 | Trenton | 4,572 |
| 62265 | New Baden | 4,396 |
| 62216 | Aviston | 3,101 |
| 62215 | Albers | 2,109 |
| 62218 | Bartelso | 1,997 |
| 62245 | Germantown | 1,760 |
| 62219 | Beckemeyer | 1,028 |
| 62250 | Hoffman | 627 |
| 62266 | New Memphis | 29 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Clinton County, Illinois (US Census).