31520 ZIP Code — Brunswick, GA

Glynn County, Georgia

ZIP code 31520 is located in Brunswick, Georgia, within Glynn County. It covers approximately 20.14 square miles and serves a population of 22,264 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 912.

About ZIP code 31520

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $121,300. Renters make up the majority at 55%, typical of denser urban areas.

Median household income is $35,181. Poverty affects 32% of residents, above the national average. SNAP benefit usage at 30% of households reflects economic stress in the area. 44% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (17%), smoking (24%) compared to national benchmarks. 24% of residents lack health insurance, above the national average.

Overall, ZIP code 31520 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

22,264

population

20.14

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

31520 ZIP code map

Cities in ZIP code 31520

Below are the cities the US Postal Service accepts for ZIP code 31520. Using any city not on this list may result in mail delivery delays.

City	Status
Brunswick	Acceptable
Brunswick	Preferred

Nearby ZIP codes

31524 Brunswick (1 mi) 31527 Jekyll Island (6.1 mi) 31522 Saint Simons Island (9.6 mi) 31523 Brunswick (9.7 mi) 31565 Waverly (10.3 mi) 31525 Brunswick (12.4 mi) 31305 Darien (16.9 mi) 31569 Woodbine (18.1 mi)

Demographics updated 05/2026

Population
Total population	22,264
Population density	1,105 / sq mi
State FIPS	13
County FIPS	127

Geography
Land area	20.14 sq mi
Water area	1.92 sq mi
Latitude	31.1390
Longitude	-81.4792
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	70.9%	43.9%	41.5%
$50k – $100k	17.5%	29.5%	30.3%
$100k – $200k	8.2%	21.1%	21.2%
Over $200k	3.4%	5.5%	7.1%

Demographics & statistics

22,264

Population

1,105

People per sq mi

37.8

Median age

$35,181

Median household income

$25,078

Per capita income

$121,300

Median home value

$881

Median monthly rent

44.6%

Home ownership

31.9%

Poverty rate

7.2%

Unemployment

5,832

Housing units

17.6%

Bachelor's or higher

Age distribution

Male Female

690

Under 5

795

843

5–9

973

528

10–14

608

720

15–19

831

497

20–24

573

1,465

25–34

1,689

1,370

35–44

1,580

1,021

45–54

1,177

706

55–59

814

671

60–64

774

933

65–74

1,076

594

75–84

686

302

85+

348

← Male

Female →

Age summary

Group	Count	%
Under 18	5,303	23.8%
18 and over	16,961	76.2%
65 and over	3,939	17.7%
Median age	37.8 years

Race & ethnicity

Black or African American 47.4%

White 35.7%

Two or more races 6.4%

Hispanic or Latino 5.1%

Other race 3.1%

Asian 1.9%

American Indian / Alaska Native 0.3%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
Black or African American	11,115	47.4%
White	8,373	35.7%
Two or more races	1,496	6.4%
Hispanic or Latino	1,187	5.1%
Other race	734	3.1%
Asian	452	1.9%
American Indian / Alaska Native	72	0.3%
Native Hawaiian / Pacific Islander	22	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	70.9%	43.9%	41.5%
$50k – $100k	17.5%	29.5%	30.3%
$100k – $200k	8.2%	21.1%	21.2%
Over $200k	3.4%	5.5%	7.1%

Under $10k 9.9%

$10k–$15k 8.1%

$15k–$25k 18.5%

$25k–$35k 13.0%

$35k–$50k 16.7%

$50k–$75k 12.4%

$75k–$100k 10.2%

$100k–$150k 5.2%

$150k–$200k 1.9%

$200k+ 4.1%

Range	% of households
Under $10k	9.9%
$10k–$15k	8.1%
$15k–$25k	18.5%
$25k–$35k	13.0%
$35k–$50k	16.7%
$50k–$75k	12.4%
$75k–$100k	10.2%
$100k–$150k	5.2%
$150k–$200k	1.9%
$200k+	4.1%
Median income	$35,181

Housing

Home values

Under $50k 14.9%

$50k–$100k 26.1%

$100k–$150k 21.8%

$150k–$200k 14.5%

$200k–$300k 11.0%

$300k–$500k 7.8%

$500k–$1M 2.7%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$121,300
Median rent / month	$881
Owner occupied	44.6%
Renter occupied	55.4%
Vacant	17.0%
Single-family detached	67.3%
Large apartment buildings	3.1%
Mobile homes	7.4%
Median rooms	5.1
Avg household size (owned)	2.37

Year built

Era	%
2020 or later	0.4%
2010–2019	1.1%
2000–2009	9.4%
1990–1999	9.6%
1980–1989	9.8%
1970–1979	9.9%
1960–1969	13.4%
1950–1959	21.0%
1940–1949	9.9%
1939 or earlier	15.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	11.3%
2 bedrooms	26.7%
3 bedrooms	49.1%
4 bedrooms	7.7%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	13.2%
1 vehicle	48.2%
2 vehicles	27.4%
3 or more	11.2%

Heating fuel

Fuel type	%
Utility gas	13.3%
Electricity	82.1%
Propane / LP gas	2.1%
Wood	0.2%
No fuel used	2.3%

Households & families

Household type	Count	%
Married-couple family	2,399	26.8%
Cohabiting couple	668	7.5%
Male householder, no spouse	1,684	18.8%
Female householder, no spouse	4,207	47.0%
Households with children under 18	2,612	29.2%
Households with seniors (65+)	3,013	33.6%
Average household size	2.40

Marital status

Status	Male	Female
Never married	49.4%	39.8%
Married	31.8%	27.2%
Separated	2.6%	2.8%
Widowed	2.9%	11.6%
Divorced	13.4%	18.5%

Education

Less than 9th grade 4.6%

Some HS, no diploma 14.7%

HS graduate 36.7%

Some college, no degree 18.3%

Associate's degree 8.1%

Bachelor's degree 12.4%

Graduate / professional 5.2%

Metric	%
HS diploma or higher	80.7%
Bachelor's or higher	17.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	443	8.8%
Kindergarten	403	8.0%
Elementary school	2,232	44.3%
High school	1,258	24.9%
College / grad school	708	14.0%

Employment

Industry of employment

Education & healthcare 21.9%

Arts, food & hospitality 19.8%

Retail trade 14.0%

Professional & management 12.1%

Construction 6.5%

Manufacturing 6.2%

Transportation & utilities 5.4%

Other services 5.0%

Finance & real estate 3.4%

Public administration 3.0%

Wholesale trade 1.1%

Information 0.9%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	23.0%
Service	30.0%
Sales & office	19.1%
Natural resources & construction	12.0%
Production & transportation	16.0%

Employment type

Type	%
Private sector	82.3%
Government	10.3%
Self-employed	6.4%
Unpaid family workers	1.0%

Commute

Method	%
Drive alone	78.0%
Carpool	13.1%
Public transit	0.6%
Walk	1.9%
Work from home	2.5%
Other means	4.0%
Avg commute (minutes)	19.0

Poverty

All people 31.9%

Under 18 years 53.3%

18 and over 25.0%

Married-couple families 12.1%

Female-led households 42.0%

Income support

Source	% of households
Social Security	44.0%
Retirement income	18.9%
Supplemental Security	11.3%
Cash public assistance	5.4%
Food stamps / SNAP	29.5%

Health indicators

Condition	%
Obesity	43.9%
High blood pressure	41.6%
High cholesterol	33.7%
Diabetes	16.6%
Heart disease	8.0%
Stroke	4.8%
Asthma	11.4%
Arthritis	28.5%
Kidney disease	4.1%
Pulmonary disease	9.1%
Cancer	5.8%

Behavior / access	%
Smoking	23.7%
Binge drinking	13.1%
No physical activity	36.0%
Less than 7 hrs sleep	39.1%
Depression	19.7%
Fair or poor health	23.8%
Poor mental health	17.8%
Poor physical health	14.4%
No health insurance	27.0%
Visited doctor (checkup)	78.5%
Visited dentist	44.9%
Cholesterol screening	88.3%
Teeth loss	25.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	779	4.6%

Disability	%
Any disability	15.3%
Under 18	1.5%
18–64 years	13.5%
65 and over	40.8%

Health insurance coverage

Type	%
Private insurance	38.6%
Public insurance	47.0%
No insurance	23.8%
Uninsured under 19	15.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	20,779	93.3%
Spanish	1,154	5.6%
Other Indo-European	848	4.1%
Asian & Pacific Islander	76	0.4%
Other languages	204	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	20,719	93.1%
Born in same state	20,459	91.9%
Born in different state	15,574	70.0%
Foreign born	260	1.2%
Naturalized citizen	1,545	6.9%
Not a US citizen	689	44.6%

Ancestry

Ancestry	Count	%
Arab	1,816	8.2%
French	1,562	7%
Italian	786	3.5%
English	62	0.3%

Ancestry	Count	%
Polish	51	0.2%
Irish	48	0.2%
Dutch	19	0.1%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	83.5%

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

Frequently asked questions about ZIP code 31520

What city is ZIP code 31520 in?

ZIP code 31520 is primarily assigned to Brunswick, Georgia.

What county is ZIP code 31520 in?

ZIP code 31520 falls within Glynn County, Georgia.

What is the poverty rate in ZIP code 31520?

32% of residents in ZIP code 31520 live below the poverty line, above the national average.

Is ZIP code 31520 mostly rentals?

55% of occupied units in ZIP code 31520 are renter-occupied.

Does ZIP code 31520 have a large retiree population?

44% of households in ZIP code 31520 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 31520?

The median home value in ZIP code 31520 is $121,300.

What timezone is ZIP code 31520 in?

ZIP code 31520 observes the EST timezone.