Zip Code 31312
Guyton, Georgia — Effingham County
📍 ZIP code 31312 is in Guyton, Effingham County, Georgia.
ZIP code 31312 is located in Guyton, Effingham County, Georgia. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 25,286. The area code for ZIP code 31312 is 478.
Quick Answer
Zip code 31312 is in Guyton, Georgia (Effingham County). It has a population of 25,286, median household income of $98,367, and median home value of $264,700.
Population
25,286
Income
$98,367
Home Value
$264,700
Climate
93°F / 38°F
About Zip Code 31312
Zip code 31312 is located in Guyton, Georgia, within Effingham County. Home to approximately 25,286 residents, this area sits at an elevation of 78 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 478.
The median household income is $98,367 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $264,700, and the cost of living index is 98 (2% below the national average of 100).
Summers average a high of 93°F while winters drop to 38°F. The area receives about 47 in of rain annually. The zip code covers 159.8 square miles of land area and 0.6 square miles of water.
Key Statistics
25,286
$98,367
$264,700
Eastern (EST/EDT)
478
78 ft
159.8 sq mi
34.8
8,803
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Compare With Nearby Zip Codes
| Metric | 31312 | 31329 | 31307 | 31308 | 31326 | 31318 |
|---|---|---|---|---|---|---|
| City | Guyton, GA | Springfield, GA | Eden, GA | Ellabell, GA | Rincon, GA | Meldrim, GA |
| Population | 25,286 | 9,102 | 1,620 | 8,814 | 23,882 | 445 |
| Median Income | $98,367 | $72,163 | $110,573 | $65,395 | $82,196 | $52,234 |
| Home Value | $264,700 | $221,800 | $270,700 | $150,200 | $244,300 | $275,000 |
| Cost of Living | 98 | 76 | 110 | 62 | 90 | 87 |
| Median Age | 34.8 | 34.3 | 28 | 41.1 | 36.5 | 35.2 |
Cost of Living
100 = National Average. Guyton's cost of living is 2% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
2.7x
Demographics
Zip code 31312 has a population of 25,286 people with a median age of 34.8. There are 8,803 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Guyton (31312) population trend from 2010 to 2024
↓ -24.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
93°F
38°F
47 in
0 in
Guyton experiences hot summers with average highs around 93°F. Winters are mild with lows averaging 38°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$264,700
Median Household Income
$98,367
With 8,803 housing units across 159.8 square miles, 31312 has a housing density of 55 units per square mile. The home price-to-income ratio is 2.7x.
Location & Geography
Latitude
32.3076°
Longitude
-81.4038°
Land Area
159.8 sq mi
Water Area
0.6 sq mi
Nearby Zip Codes
Zip codes closest to 31312 (Guyton, GA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 31312's $98,367. A way to compare Guyton to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 31312 (Guyton, GA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Guyton, Georgia?
Guyton, Georgia uses zip code 31312.
What county is zip code 31312 in?
Zip code 31312 is located in Effingham County, Georgia.
What is the population of zip code 31312?
The population of zip code 31312 is 25,286 with a median age of 34.8.
Is 31312 in Guyton, Georgia?
Yes, zip code 31312 is in Guyton, Effingham County, Georgia. The area code is 478.
Frequently Asked Questions
What city is zip code 31312 in?
Zip code 31312 is in Guyton, Georgia. It is part of Effingham County and uses the Eastern (EST/EDT) timezone.
What is zip code 31312?
Zip code 31312 is a U.S. postal code in Guyton, Georgia (Effingham County). It has a population of 25,286 and covers 159.8 square miles.
What is the population of zip code 31312?
The population of zip code 31312 (Guyton, GA) is 25,286 with a median age of 34.8. There are approximately 8,803 housing units in this area.
What is the median income in zip code 31312?
The median household income in zip code 31312 (Guyton, GA) is $98,367 per year. The cost of living index is 98 (100 = national average).
What is the average home price in zip code 31312?
The median home value in zip code 31312 (Guyton, GA) is $264,700. The cost of living index is 98 compared to the national average of 100.
What county is zip code 31312 in?
Zip code 31312 is located in Effingham County, Georgia. The primary city is Guyton.
What is the area code for zip code 31312?
Zip code 31312 in Guyton, GA uses area code 478. It is located in the Eastern (EST/EDT) timezone.
Is zip code 31312 a good place to live?
Zip code 31312 (Guyton, GA) has a cost of living index of 98 (100 = national average), a median household income of $98,367, and median home values of $264,700. The median age is 34.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 31312?
The cost of living index for zip code 31312 (Guyton, GA) is 98, where 100 represents the national average. This area is below the national average. Median home value: $264,700.
What schools serve zip code 31312?
Zip code 31312 in Guyton, Georgia is served by the local school district of Effingham County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.