11 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 62233 | Chester | 8,233 |
| 62286 | Sparta | 5,482 |
| 62288 | Steeleville | 2,592 |
| 62242 | Evansville | 1,764 |
| 62272 | Percy | 1,713 |
| 62277 | Prairie Du Rocher | 994 |
| 62241 | Ellis Grove | 891 |
| 62292 | Tilden | 722 |
| 62217 | Baldwin | 710 |
| 62297 | Walsh | 293 |
| 62261 | Modoc | 56 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Randolph County, Illinois (US Census).