Postal Codes

31523 ZIP Code

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ZIP code 31523 covers Brunswick, Georgia, with a population of about 14,921 and a median household income of $90,148.

Population
14,92178 per square mile
Median age
43.54.8 points above the US average
Median household income
$90,1481.2× the Georgia median
Poverty rate
9.4%3 points below the US average
Typical home value
$334,079up 30.2% in five years
Median rent
$1,02322% below the Georgia median
Degree or higher
28.2%6.8 points below the US average
Homeownership
87.5%22.5 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
286

Where 31523 is

Brunswick, Georgia — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population14,921
Median age43.5
Family households81.8%
Born outside the US6.2%
Speaks a language other than English at home7.2%
White (non-Hispanic)70.9%
Black (non-Hispanic)16.9%
Asian (non-Hispanic)3%
Hispanic or Latino5.4%
Veterans8.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$90,148
Income per person$41,345
Poverty rate9.4%
Households on SNAP or cash assistance7.4%

Household income distribution

Under $10k4.7%
$10–15k2.4%
$15–20k1.9%
$20–25k3.2%
$25–30k1.2%
$30–35k0.5%
$35–40k5.3%
$40–45k1.8%
$45–50k2.0%
$50–60k3.2%
$60–75k16.7%
$75–100k13.1%
$100–125k9.1%
$125–150k13.2%
$150–200k13.2%
$200k or more8.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed7,110
Mean adjusted gross income$78,390
Returns declaring $200,000 or more5.9%
Returns, under $25k27.8%
Returns, $25k–$50k21.1%
Returns, $50k–$75k14.3%
Returns, $75k–$100k10.4%
Returns, $100k–$200k20.4%
Returns, $200k or more5.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$276,200
Median gross rent$1,023
Rent as a share of household income22.2%
Owner-occupied87.5%
Vacant homes4.4%
Median year built1999

What the homes are

Detached house83.6%
Attached house0.3%
2 to 4 units1.1%
5 to 19 units0.4%
20 or more units0.1%
Mobile home14.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$334,079as of 2026-07
Typical home value, 1 yearup 0.7%
Typical home value, 5 yearsup 30.2%
Typical home value, 10 yearsup 87.6%
Typical home value since 2000
200820172026$334,079$154,466

$192,671 in 2008 to $334,079 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.4%
Bachelor's degree or higher28.2%
High school diploma or higher89.8%
Works from home7%
Drives to work alone86.4%
Takes public transport0%
Commutes 45 minutes or more7.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity32.9% 0.5 pts below the national average of 33.4%
Diagnosed diabetes12.5% 0.5 pts above the national average of 12%
Currently smokes13.8% 0.6 pts above the national average of 13.2%
High blood pressure39% 4.9 pts above the national average of 34.1%
Fair or poor general health18.3% 2 pts below the national average of 20.3%
No health insurance (18–64)11% same as the national average of 11.3%
Depression20.2% 1.7 pts below the national average of 21.9%
No leisure-time physical activity24% 1.4 pts below the national average of 25.4%
Arthritis27% 1.9 pts above the national average of 25.1%
Binge drinking16.3% same as the national average of 16%
Taking blood pressure medication78.2% 3.5 pts above the national average of 74.7%
Cancer (non-skin)8.9% 1.2 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease6.3% same as the national average of 6.2%
Routine check-up in past year78.9% 2.2 pts above the national average of 76.7%
Cholesterol screening88.3% 2.4 pts above the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening68.9% 4.6 pts above the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist62.7% 1.4 pts above the national average of 61.3%
Any disability28.7% 2 pts below the national average of 30.7%
Lacks emotional support22% 2.8 pts below the national average of 24.8%
Food insecurity12.5% 4.6 pts below the national average of 17.1%
Received food stamps9.1% 5.2 pts below the national average of 14.3%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol39.8% 3.6 pts above the national average of 36.2%
Housing insecurity11% 2.8 pts below the national average of 13.8%
Independent living disability7.9% 0.5 pts below the national average of 8.4%
Lacks transport7% 2.2 pts below the national average of 9.2%
Loneliness33.9% 0.5 pts below the national average of 34.4%
Mammography use76.5% 0.6 pts above the national average of 75.9%
Poor mental health (14+ days)16.5% same as the national average of 16.8%
Mobility disability13.2% 0.8 pts below the national average of 14%
Poor physical health (14+ days)13.7% same as the national average of 13.5%
Self-care disability3.6% same as the national average of 4%
Utility shut-off threat6.7% 2.1 pts below the national average of 8.8%
Sleeps under 7 hours38.5% 2.1 pts above the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost12.6% same as the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments286
People employed2,736
Annual payroll$98,158,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 72% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 6 census tracts this ZIP code covers
Expected annual loss71.2 out of 100
Community resilience89.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane95.3Relatively High at its worst in this ZIP code
Wildfire93.9Relatively Moderate at its worst in this ZIP code
Coastal flooding93.8Relatively High at its worst in this ZIP code
Lightning80.6Relatively High at its worst in this ZIP code
Cold wave78.3Relatively High at its worst in this ZIP code
Heat wave75.4Relatively Moderate at its worst in this ZIP code
Strong wind74.5Relatively Moderate at its worst in this ZIP code
Ice storm65.3Relatively Moderate at its worst in this ZIP code
Earthquake57.5Relatively Low at its worst in this ZIP code
Hail56Relatively Low at its worst in this ZIP code
Tornado48.7Relatively Moderate at its worst in this ZIP code
Drought48.6Very Low at its worst in this ZIP code
Landslide39.2Very Low at its worst in this ZIP code
Winter weather31.2Relatively Low at its worst in this ZIP code
River flooding28.7Relatively Low at its worst in this ZIP code
Compared with Georgia and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPGeorgiaUnited States
Median household income$90,148$74,664$78,538
Income per person$41,345$39,525$43,289
Poverty rate9.4%13.5%12.4%
Median home value$276,200$272,900$303,400
Median gross rent$1,023$1,306$1,348
Homeownership87.5%65.4%65%
Bachelor's degree or higher28.2%34.2%35%
Unemployment rate2.4%5.1%5.2%
Works from home7%14.2%13.5%
Born outside the US6.2%10.8%13.9%
Median age43.537.438.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationBRUNSWICK, GA US7 km away
Rain in a year50 in

Average high and low by month

January61°F / 44°F3.54 in rain
February64.3°F / 47°F3.06 in rain
March70.1°F / 52.6°F3.8 in rain
April76.3°F / 59.2°F3.07 in rain
May83°F / 67.1°F3.04 in rain
June87.5°F / 72.9°F6.35 in rain
July90.3°F / 75.3°F4.94 in rain
August88.8°F / 75.1°F6.95 in rain
September84.3°F / 72°F6.26 in rain
October77.5°F / 63.1°F4.6 in rain
November69.2°F / 52.9°F2.03 in rain
December63.3°F / 46.9°F2.65 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket7% of this ZIP code's area
Far from a supermarket10% of this ZIP code's area
No vehicle and far from a supermarket93% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Glynn County School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics19more vulnerable than 19% of US census tracts
Racial and ethnic minority status46more vulnerable than 46% of US census tracts
Housing type and transport28more vulnerable than 28% of US census tracts
Walkability5.9 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

31524 Brunswick, GA6 km away
31520 Brunswick, GA6.5 km away
31525 Brunswick, GA7 km away
31521 Brunswick, GA9.3 km away
31522 Saint Simons Island, GA18.7 km away
31565 Waverly, GA19.7 km away
31561 Sea Island, GA20.5 km away
31527 Jekyll Island, GA20.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Glynn County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area191.47 sq mi
Water area17.89 sq mi
Population density78 people per sq mi
Latitude, longitude31.2189, -81.5460

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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