Glynn County, Georgia ZIP codes
8 ZIP codes are in Glynn County, plus 2 that cross in from neighboring counties. It's part of the Brunswick-St. Simons, GA metro area.
- ZIP codes
- 8
- Population in these ZIPs
- 85,286
- Avg. median income
- $73,700population-weighted
- Cities & towns
- 4
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Glynn County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 31520 | Brunswick | 22,313 | $40,071 | $151,100 |
| 31521 PO Box | Brunswick | — | — | — |
| 31522 | Saint Simons Island | 17,780 | $108,632 | $668,200 |
| 31523 | Brunswick | 15,402 | $88,988 | $329,500 |
| 31524 | Brunswick | 0 | — | — |
| 31525 | Brunswick | 28,926 | $69,493 | $277,900 |
| 31527 | Jekyll Island | 769 | — | $780,400 |
| 31561 | Sea Island | 96 | $250,001 | $4,493,700 |
ZIP codes partly in Glynn County
These ZIP codes are mostly in a neighboring county but cover part of Glynn County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 31543 | Hortense | Brantley County | 4,935 | $50,181 | $177,800 |
| 31566 | Waynesville | Brantley County | 3,987 | $60,703 | $167,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Glynn County
Nearby counties
Frequently asked questions
How many ZIP codes are in Glynn County, Georgia?
8 ZIP codes are mainly in Glynn County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Glynn County?
ZIP codes in Glynn County use the city names Brunswick, Jekyll Island, Saint Simons Island and Sea Island.
What metro area is Glynn County in?
Glynn County is part of the Brunswick-St. Simons, GA metropolitan statistical area.