ZIP code · Hamilton · Georgia · United States
ZIP code 31811 — Hamilton
ZIP code 31811 serves Hamilton, Georgia.
- Postal code
- 31811Single source Value from one source, not cross-checked.
- City
- Hamilton
- County
- Harris FIPS 13145
- State
- Georgia
- Country
- United States
- Coordinates
- 32.7418, -84.8848 — precision precise (locality)
View on OpenStreetMap - Population
- 5,976 (ZCTA, ACS 5-year)
- Population density
- 46 / sq mi
- Land area
- 130.8 sq mi (338.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $91,290
- Per-capita income
- $39,368
- Median age
- 42
- Households
- 2,068
- Housing units
- 2,297
- Median home value
- $266,400
- Median gross rent
- $1,028 / month
- Congressional district
- GA-3 (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 31811 with another ZIP · ZIPs within 25 miles · distance from 31811
Map of ZIP code 31811
Climate — monthly normals
Warmest month Jul (avg high 91°F), coldest Jan (avg low 35°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 59 | 63 | 70 | 76 | 83 | 89 | 91 | 91 | 87 | 79 | 68 | 61 |
| Avg low °F | 35 | 38 | 43 | 49 | 59 | 67 | 70 | 70 | 64 | 53 | 44 | 37 |
| Precip in | 4.9 | 4.9 | 5.4 | 4.5 | 3.7 | 4.0 | 4.7 | 4.0 | 4.0 | 3.4 | 4.2 | 5.3 |
NOAA 1991–2020 climate normals from the nearest station: MULBERRY GROVE (14.4 mi) · NOAA NCEI
Places in ZIP 31811
- 6 schools
- 2 hospitals & clinics
- 1 doctors & dentists
- 2 pharmacies
- 6 restaurants & cafés
- 4 parks
- 1 playgrounds
- 1 libraries
- 1 post offices
- 18 places of worship
- 1 banks
- 4 gas stations
- 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