7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 62964 | Mounds | 1,109 |
| 62963 | Mound City | 713 |
| 62941 | Grand Chain | 639 |
| 62992 | Ullin | 629 |
| 62996 | Villa Ridge | 523 |
| 62970 | Olmsted | 465 |
| 62976 | Pulaski | 392 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Pulaski County, Illinois (US Census).