Residential delivery area · Georgia
ZIP Code 31561: Sea Island, GA
ZIP code 31561 uses the postal name Sea Island, Georgia and lies entirely in Glynn County (Census 2020 ZIP-county file). About 100 people live there (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place. 11 business establishments had a location in this ZIP code in 2023, 2 more than in 2018 (ZIP Code Business Patterns).
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Sea Island · its only residential ZIP
- County
- Glynn County
- Metro area
- Brunswick-St. Simons, GA
- House district
- GA-1 119th Congress
- State
- Georgia
- Time zone
- Eastern
- Land area
- 4.7 sq mi · 20 people per sq mi
Where is ZIP code 31561?
31561 centers on 31.209°, -81.310° and covers 4.7 square miles of land plus 4.2 of water. It borders 1 ZIP code: 31522.
The map draws ZIP code areas only. For the streets inside 31561, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
Which ZIP codes are next to 31561?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 31522 | Saint Simons Island | 17,780 | $109k | 3.8 mi |
| 31520 | Brunswick | 22,313 | $40k | 10.7 mi (near) |
| 31527 | Jekyll Island | 769 | – | 11.2 mi (near) |
| 31305 | Darien | 5,108 | $43k | 11.7 mi (near) |
| 31525 | Brunswick | 28,926 | $70k | 14.9 mi (near) |
| 31523 | Brunswick | 15,402 | $89k | 18.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.