ZIP code · Martin · Georgia · United States
ZIP code 30557 — Martin
ZIP code 30557 serves Martin, Georgia.
- Postal code
- 30557Single source Value from one source, not cross-checked.
- City
- Martin
- County
- Stephens FIPS 13257
- State
- Georgia
- Country
- United States
- Coordinates
- 34.4870, -83.1849 — precision precise (locality)
View on OpenStreetMap - Population
- 4,905 (ZCTA, ACS 5-year)
- Population density
- 84 / sq mi
- Land area
- 58.2 sq mi (150.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $66,806
- Per-capita income
- $32,087
- Median age
- 36.9
- Households
- 1,868
- Housing units
- 2,602
- Median home value
- $162,000
- Median gross rent
- $875 / month
- Congressional districts
- GA-10 (also GA-9) (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 30557 with another ZIP · ZIPs within 25 miles · distance from 30557
Map of ZIP code 30557
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 33°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 53 | 57 | 64 | 73 | 80 | 86 | 89 | 88 | 83 | 74 | 64 | 55 |
| Avg low °F | 33 | 36 | 41 | 49 | 58 | 66 | 69 | 68 | 63 | 51 | 41 | 36 |
| Precip in | 5.5 | 5.0 | 5.4 | 4.6 | 4.1 | 5.0 | 4.2 | 5.7 | 4.6 | 4.8 | 4.4 | 5.8 |
NOAA 1991–2020 climate normals from the nearest station: TOCCOA (10.5 mi) · NOAA NCEI
Places in ZIP 30557
- 1 schools
- 1 gyms & sports centres
- 14 places of worship
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page