Zip Code 31520
Brunswick, Georgia — Glynn County
📍 ZIP code 31520 is in Brunswick, Glynn County, Georgia.
ZIP code 31520 is located in Brunswick, Glynn County, Georgia. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 22,743. The area code for ZIP code 31520 is 229.
Quick Answer
Zip code 31520 is in Brunswick, Georgia (Glynn County). It has a population of 22,743, median household income of $37,652, and median home value of $135,100.
Population
22,743
Income
$37,652
Home Value
$135,100
Climate
90°F / 44°F
About Zip Code 31520
Zip code 31520 is located in Brunswick, Georgia, within Glynn County. Home to approximately 22,743 residents, this area sits at an elevation of 15 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 229.
The median household income is $37,652 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $135,100, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 90°F while winters drop to 44°F. The area receives about 50 in of rain annually. The zip code covers 16.8 square miles of land area and 1.8 square miles of water.
Key Statistics
22,743
$37,652
$135,100
Eastern (EST/EDT)
229
15 ft
16.8 sq mi
36.8
10,619
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Compare With Nearby Zip Codes
| Metric | 31520 | 31523 | 31527 | 31525 | 31522 | 31565 |
|---|---|---|---|---|---|---|
| City | Brunswick, GA | Brunswick, GA | Brunswick, GA | Brunswick, GA | Saint Simons Island, GA | Waverly, GA |
| Population | 22,743 | 14,921 | 1,078 | 28,434 | 17,603 | 2,210 |
| Median Income | $37,652 | $90,148 | $76,445 | $65,896 | $106,413 | $72,054 |
| Home Value | $135,100 | $276,200 | $522,100 | $198,700 | $498,300 | $231,300 |
| Cost of Living | 60 | 98 | 150 | 74 | 151 | 75 |
| Median Age | 36.8 | 43.5 | 60.4 | 38.2 | 59.7 | 46.6 |
Cost of Living
100 = National Average. Brunswick's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
3.6x
Demographics
Zip code 31520 has a population of 22,743 people with a median age of 36.8. There are 10,619 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Brunswick (31520) population trend from 2010 to 2024
↑ 46.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
44°F
50 in
0 in
Brunswick experiences hot summers with average highs around 90°F. Winters are mild with lows averaging 44°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$135,100
Median Household Income
$37,652
With 10,619 housing units across 16.8 square miles, 31520 has a housing density of 632 units per square mile. The home price-to-income ratio is 3.6x.
Location & Geography
Latitude
31.1809°
Longitude
-81.4940°
Land Area
16.8 sq mi
Water Area
1.8 sq mi
Nearby Zip Codes
Zip codes closest to 31520 (Brunswick, GA) with distances:
All Zip Codes in Brunswick, GA
Other zip codes serving Brunswick:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 31520's $37,652. A way to compare Brunswick 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 31520 (Brunswick, 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 Brunswick, Georgia?
Brunswick, Georgia uses zip code 31520 along with 3 other zip codes.
What county is zip code 31520 in?
Zip code 31520 is located in Glynn County, Georgia.
What is the population of zip code 31520?
The population of zip code 31520 is 22,743 with a median age of 36.8.
Is 31520 in Brunswick, Georgia?
Yes, zip code 31520 is in Brunswick, Glynn County, Georgia. The area code is 229.
Frequently Asked Questions
What city is zip code 31520 in?
Zip code 31520 is in Brunswick, Georgia. It is part of Glynn County and uses the Eastern (EST/EDT) timezone.
What is zip code 31520?
Zip code 31520 is a U.S. postal code in Brunswick, Georgia (Glynn County). It has a population of 22,743 and covers 16.8 square miles.
What is the population of zip code 31520?
The population of zip code 31520 (Brunswick, GA) is 22,743 with a median age of 36.8. There are approximately 10,619 housing units in this area.
What is the median income in zip code 31520?
The median household income in zip code 31520 (Brunswick, GA) is $37,652 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 31520?
The median home value in zip code 31520 (Brunswick, GA) is $135,100. The cost of living index is 60 compared to the national average of 100.
What county is zip code 31520 in?
Zip code 31520 is located in Glynn County, Georgia. The primary city is Brunswick.
What is the area code for zip code 31520?
Zip code 31520 in Brunswick, GA uses area code 229. It is located in the Eastern (EST/EDT) timezone.
Is zip code 31520 a good place to live?
Zip code 31520 (Brunswick, GA) has a cost of living index of 60 (100 = national average), a median household income of $37,652, and median home values of $135,100. The median age is 36.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 31520?
The cost of living index for zip code 31520 (Brunswick, GA) is 60, where 100 represents the national average. This area is below the national average. Median home value: $135,100.
What schools serve zip code 31520?
Zip code 31520 in Brunswick, Georgia is served by the local school district of Glynn 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.