7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 32068 | Middleburg | 58,196 |
| 32073 | Orange Park | 42,825 |
| 32065 | Orange Park | 40,366 |
| 32043 | Green Cove Springs | 33,592 |
| 32003 | Fleming Island | 29,351 |
| 32656 | Keystone Heights | 15,630 |
| 32079 | Penney Farms | 376 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Clay County, Florida (US Census).