🇺🇸 United States ZIP Code

STANDARD

31520

Brunswick

ZIP Code 31520 is a standard zip code serving Brunswick, Brunswick, Georgia (GA), in Glynn County, United States. It has an estimated population of 22,336 with a median household income of $29,522. The area falls within the America/New_York timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: Georgia (GA)
County: Glynn
City: Brunswick
Timezone: America/New_York

Coordinates

Latitude: 31.180700
Longitude: -81.494900

Geographic Details

Land Area: 16.87 mi²
Water Area: 1.69 mi²
Population Density: 1324.0 people per mi² (80th percentile)
Bounding Box: 31.233960°N, 31.122623°S, -81.444447°E, -81.538340°W

With 22,336 residents spread across 16.87 square miles, this area has a population density of 1324.0 people per square mile.

Demographics

22,336

Population

80th percentile

$29,522

Median Income

5th percentile

$98,400

Median Home Value

30th percentile

16.87 mi²

Land Area

The median household income in 31520 is $29,522, and the median home value is $98,400. This is below the national average for household income.

Housing

10,032

Total Units

8,491

Occupied Units

84.6%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Brunswick, GA.

31521

Brunswick

31523

Brunswick

31524

Brunswick

31525

Brunswick

Similar ZIP Codes in Georgia

ZIP codes with similar median household income in Georgia.

39823

Blakely

$29,473

30753

Trion

$32,409

30747

Summerville

$34,497

30520

Canon

$29,983

30471

Twin City

$30,898

31705

Albany

$27,112

30513

Blue Ridge

$29,751

31044

Jeffersonville

$25,915

Frequently Asked Questions

What information is available for each ZIP code?

Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).

What are the different types of ZIP codes?

There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.

How often is ZIP code data updated?

ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.

What is population density and why does it matter?

Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.

How are ZIP code boundaries determined?

ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.

What does median household income tell me about a ZIP code?

Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.