7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 31525 | Brunswick | 28,434 |
| 31520 | Brunswick | 22,743 |
| 31522 | Saint Simons Island | 17,603 |
| 31523 | Brunswick | 14,921 |
| 31527 | Jekyll Island | 1,078 |
| 31561 | Sea Island | 94 |
| 31524 | Brunswick | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Glynn County, Georgia (US Census).