7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 62995 | Vienna | 6,408 |
| 62939 | Goreville | 2,693 |
| 62912 | Buncombe | 1,668 |
| 62972 | Ozark | 1,128 |
| 62923 | Cypress | 404 |
| 62967 | New Burnside | 344 |
| 62943 | Grantsburg | 312 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Johnson County, Illinois (US Census).