7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 32068 | Middleburg | 58,983 |
| 32073 | Orange Park | 43,561 |
| 32065 | Orange Park | 41,578 |
| 32043 | Green Cove Springs | 34,562 |
| 32003 | Fleming Island | 29,766 |
| 32656 | Keystone Heights | 15,836 |
| 32079 | Penney Farms | 419 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Clay County, Florida (US Census).