10 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 32259 | Saint Johns | 69,866 |
| 32092 | Saint Augustine | 48,288 |
| 32084 | Saint Augustine | 36,998 |
| 32086 | Saint Augustine | 34,347 |
| 32082 | Ponte Vedra Beach | 28,964 |
| 32081 | Ponte Vedra | 27,365 |
| 32080 | Saint Augustine | 21,368 |
| 32095 | Saint Augustine | 18,927 |
| 32145 | Hastings | 5,750 |
| 32033 | Elkton | 4,555 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in St. Johns County, Florida (US Census).