3 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 62931 | Elizabethtown | 1,335 |
| 62982 | Rosiclare | 1,131 |
| 62919 | Cave In Rock | 731 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 3 ZCTAs in Hardin County, Illinois (US Census).