7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 62964 | Mounds | 1,170 |
| 62963 | Mound City | 798 |
| 62992 | Ullin | 718 |
| 62996 | Villa Ridge | 656 |
| 62941 | Grand Chain | 500 |
| 62970 | Olmsted | 405 |
| 62976 | Pulaski | 351 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Pulaski County, Illinois (US Census).