31523 ZIP Code — Brunswick, GA

Glynn County, Georgia

ZIP code 31523 is located in Brunswick, Georgia, within Glynn County. It covers approximately 191.47 square miles and serves a population of 14,193 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 912.

About ZIP code 31523

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $242,100. Owner-occupancy is high at 87%, well above the national average.

The gap between median ($86,178) and mean household income suggests income inequality — a small number of higher earners pull the average up. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.

Overall, ZIP code 31523 reflects a community defined by high homeownership and a significant Social Security-dependent population.

14,193

population

191.47

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

31523 ZIP code map

Cities in ZIP code 31523

Below are the cities the US Postal Service accepts for ZIP code 31523. Using any city not on this list may result in mail delivery delays.

City	Status
Brunswick	Preferred

Nearby ZIP codes

31525 Brunswick (8.3 mi) 31524 Brunswick (8.6 mi) 31520 Brunswick (9.7 mi) 31565 Waverly (11.1 mi) 31566 Waynesville (13.9 mi) 31305 Darien (14.8 mi) 31522 Saint Simons Island (15.4 mi) 31527 Jekyll Island (15.5 mi) 31543 Hortense (16.8 mi) 31568 White Oak (18.5 mi)

Demographics updated 05/2026

Population
Total population	14,193
Population density	74 / sq mi
State FIPS	13
County FIPS	127

Geography
Land area	191.47 sq mi
Water area	17.90 sq mi
Latitude	31.2214
Longitude	-81.6112
Timezone	Eastern (ET)
Area code	912

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.5%	43.9%	41.5%
$50k – $100k	35.0%	29.5%	30.3%
$100k – $200k	23.5%	21.1%	21.2%
Over $200k	5.0%	5.5%	7.1%

Demographics & statistics

14,193

Population

People per sq mi

44.3

Median age

$86,178

Median household income

$43,435

Per capita income

$242,100

Median home value

$1,056

Median monthly rent

87.3%

Home ownership

11.7%

Poverty rate

2.8%

Unemployment

4,877

Housing units

26.8%

Bachelor's or higher

Age distribution

Male Female

302

Under 5

270

593

5–9

531

478

10–14

427

532

15–19

476

408

20–24

366

588

25–34

527

1,000

35–44

896

1,169

45–54

1,047

651

55–59

583

438

60–64

393

658

65–74

589

574

75–84

513

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	3,300	23.3%
18 and over	10,893	76.7%
65 and over	2,518	17.7%
Median age	44.3 years

Race & ethnicity

White 74.1%

Black or African American 15.7%

Two or more races 4.2%

Hispanic or Latino 3.1%

Asian 1.8%

Other race 1.1%

Group	Count	%
White	10,851	74.1%
Black or African American	2,294	15.7%
Two or more races	610	4.2%
Hispanic or Latino	456	3.1%
Asian	270	1.8%
Other race	168	1.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.5%	43.9%	41.5%
$50k – $100k	35.0%	29.5%	30.3%
$100k – $200k	23.5%	21.1%	21.2%
Over $200k	5.0%	5.5%	7.1%

Under $10k 4.0%

$10k–$15k 1.8%

$15k–$25k 3.9%

$25k–$35k 6.4%

$35k–$50k 9.9%

$50k–$75k 17.7%

$75k–$100k 15.0%

$100k–$150k 23.2%

$150k–$200k 10.4%

$200k+ 7.7%

Range	% of households
Under $10k	4.0%
$10k–$15k	1.8%
$15k–$25k	3.9%
$25k–$35k	6.4%
$35k–$50k	9.9%
$50k–$75k	17.7%
$75k–$100k	15.0%
$100k–$150k	23.2%
$150k–$200k	10.4%
$200k+	7.7%
Median income	$86,178

Housing

Home values

Under $50k 4.3%

$50k–$100k 10.0%

$100k–$150k 8.7%

$150k–$200k 15.7%

$200k–$300k 25.1%

$300k–$500k 28.7%

$500k–$1M 5.6%

$1M+ 1.9%

Housing overview

Metric	Value
Median home value	$242,100
Median rent / month	$1,056
Owner occupied	87.3%
Renter occupied	12.7%
Vacant	4.1%
Single-family detached	81.6%
Large apartment buildings	0.5%
Mobile homes	15.6%
Median rooms	6.4
Avg household size (owned)	2.63

Year built

Era	%
2020 or later	0.3%
2010–2019	15.3%
2000–2009	30.1%
1990–1999	20.1%
1980–1989	14.3%
1970–1979	8.9%
1960–1969	6.5%
1950–1959	3.6%
1940–1949	0.8%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	0.4%
2 bedrooms	7.4%
3 bedrooms	58.2%
4 bedrooms	27.8%
5+ bedrooms	4.8%

Vehicles per household

Vehicles	% of households
No vehicle	1.3%
1 vehicle	22.8%
2 vehicles	39.2%
3 or more	36.7%

Heating fuel

Fuel type	%
Utility gas	8.7%
Electricity	88.5%
Propane / LP gas	1.0%
Wood	0.9%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	3,419	64.2%
Cohabiting couple	334	6.3%
Male householder, no spouse	628	11.8%
Female householder, no spouse	948	17.8%
Households with children under 18	1,624	30.5%
Households with seniors (65+)	1,765	33.1%
Average household size	2.66

Marital status

Status	Male	Female
Never married	26.3%	19.8%
Married	63.7%	58.9%
Separated	0.8%	2.2%
Widowed	2.0%	6.3%
Divorced	7.3%	12.8%

Education

Less than 9th grade 4.9%

Some HS, no diploma 7.2%

HS graduate 25.6%

Some college, no degree 27.4%

Associate's degree 8.0%

Bachelor's degree 11.8%

Graduate / professional 15.0%

Metric	%
HS diploma or higher	87.8%
Bachelor's or higher	26.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	219	7.0%
Kindergarten	117	3.7%
Elementary school	1,603	51.0%
High school	746	23.7%
College / grad school	461	14.7%

Employment

Industry of employment

Education & healthcare 30.9%

Professional & management 11.1%

Public administration 10.3%

Transportation & utilities 9.9%

Manufacturing 9.8%

Retail trade 7.9%

Construction 5.4%

Finance & real estate 4.8%

Other services 4.5%

Arts, food & hospitality 3.6%

Wholesale trade 1.2%

Information 0.6%

Occupation

Category	%
Management, business & arts	45.6%
Service	11.2%
Sales & office	20.8%
Natural resources & construction	5.7%
Production & transportation	16.7%

Employment type

Type	%
Private sector	78.1%
Government	19.7%
Self-employed	2.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.6%
Carpool	5.7%
Public transit	0.3%
Walk	0.0%
Work from home	5.4%
Other means	1.1%
Avg commute (minutes)	22.1

Poverty

All people 11.7%

Under 18 years 12.9%

18 and over 11.4%

Married-couple families 2.4%

Female-led households 23.2%

Income support

Source	% of households
Social Security	33.8%
Retirement income	23.0%
Supplemental Security	3.4%
Cash public assistance	1.2%
Food stamps / SNAP	8.5%

Health indicators

Condition	%
Obesity	36.3%
High blood pressure	34.0%
High cholesterol	35.1%
Diabetes	11.4%
Heart disease	6.5%
Stroke	3.0%
Asthma	9.5%
Arthritis	25.8%
Kidney disease	2.9%
Pulmonary disease	7.1%
Cancer	6.2%

Behavior / access	%
Smoking	19.4%
Binge drinking	16.2%
No physical activity	25.7%
Less than 7 hrs sleep	33.5%
Depression	20.4%
Fair or poor health	14.8%
Poor mental health	15.7%
Poor physical health	10.9%
No health insurance	18.3%
Visited doctor (checkup)	75.3%
Visited dentist	58.9%
Cholesterol screening	90.6%
Teeth loss	15.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	795	7.3%

Disability	%
Any disability	11.8%
Under 18	4.1%
18–64 years	10.4%
65 and over	26.9%

Health insurance coverage

Type	%
Private insurance	72.8%
Public insurance	31.3%
No insurance	10.6%
Uninsured under 19	5.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	13,621	96.0%
Spanish	154	1.1%
Other Indo-European	154	1.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,502	95.1%
Born in same state	13,294	93.7%
Born in different state	8,369	59.0%
Foreign born	208	1.5%
Naturalized citizen	691	4.9%
Not a US citizen	350	50.7%

Ancestry

Ancestry	Count	%
French	1,811	12.8%
Italian	1,368	9.6%
Arab	536	3.8%
English	170	1.2%

Ancestry	Count	%
German	80	0.6%
Irish	60	0.4%
Polish	23	0.2%
Dutch	20	0.1%

Technology access

Metric	% of households
Computer access	37.5%
Internet access	93.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 31523

What city is ZIP code 31523 in?

ZIP code 31523 is primarily assigned to Brunswick, Georgia.

What county is ZIP code 31523 in?

ZIP code 31523 falls within Glynn County, Georgia.

Is ZIP code 31523 mostly owner-occupied?

87% of occupied units in ZIP code 31523 are owner-occupied, well above the national average.

What is the population of ZIP code 31523?

ZIP code 31523 has an estimated population of 14,193 residents, with a density of 74 people per square mile.

What is the median household income in ZIP code 31523?

The median household income in ZIP code 31523 is $86,178, above the national median of ~$75,000.

What is the typical home value in ZIP code 31523?

The median home value in ZIP code 31523 is $242,100.

What timezone is ZIP code 31523 in?

ZIP code 31523 observes the EST timezone.