Brunswick-St. Simons, GA metro area ZIP codes
The Brunswick-St. Simons, GA metropolitan statistical area (CBSA 15260) covers 3 counties in Georgia and 17 ZIP codes.
- ZIP codes
- 17
- Population
- 113,438
- Avg. median income
- $68,600population-weighted
- Counties
- 3
Click anywhere on the map to see which ZIP code it's in.
Counties in the Brunswick-St. Simons, GA area
ZIP codes in the Brunswick-St. Simons, GA area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 31304 PO Box | Crescent | McIntosh County | — | — | — |
| 31305 | Darien | McIntosh County | 5,108 | $43,138 | $274,200 |
| 31319 PO Box | Meridian | McIntosh County | — | — | — |
| 31327 | Sapelo Island | McIntosh County | 0 | — | — |
| 31331 | Townsend | McIntosh County | 6,101 | $61,336 | $282,400 |
| 31520 | Brunswick | Glynn County | 22,313 | $40,071 | $151,100 |
| 31521 PO Box | Brunswick | Glynn County | — | — | — |
| 31522 | Saint Simons Island | Glynn County | 17,780 | $108,632 | $668,200 |
| 31523 | Brunswick | Glynn County | 15,402 | $88,988 | $329,500 |
| 31524 | Brunswick | Glynn County | 0 | — | — |
| 31525 | Brunswick | Glynn County | 28,926 | $69,493 | $277,900 |
| 31527 | Jekyll Island | Glynn County | 769 | — | $780,400 |
| 31542 | Hoboken | Brantley County | 2,635 | $50,938 | $212,600 |
| 31543 | Hortense | Brantley County | 4,935 | $50,181 | $177,800 |
| 31553 | Nahunta | Brantley County | 5,386 | $52,665 | $168,000 |
| 31561 | Sea Island | Glynn County | 96 | $250,001 | $4,493,700 |
| 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
Frequently asked questions
How many ZIP codes are in the Brunswick-St. Simons, GA metro area?
17 ZIP codes, based on each ZIP code's main county.
Which counties make up the Brunswick-St. Simons, GA area?
Brantley County, Glynn County and McIntosh County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).