10 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 32259 | Saint Johns | 75,016 |
| 32092 | Saint Augustine | 53,071 |
| 32084 | Saint Augustine | 37,291 |
| 32086 | Saint Augustine | 34,855 |
| 32081 | Ponte Vedra | 29,784 |
| 32082 | Ponte Vedra Beach | 29,289 |
| 32095 | Saint Augustine | 21,399 |
| 32080 | Saint Augustine | 20,894 |
| 32145 | Hastings | 5,759 |
| 32033 | Elkton | 4,556 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in St. Johns County, Florida (US Census).