Saint Marys ZIP Code List — Camden County, GA

There is one unique ZIP code in Saint Marys, Georgia and it is 31558. Area code: 912.

ZIP codes

71.75

sq mi land

22.05

sq mi water

912

area code

Saint Marys, GA ZIP code map

About Saint Marys, GA

Saint Marys, Georgia, is a charming city located in Camden County. Known for its picturesque waterfront and rich history, it offers a unique blend of Southern hospitality and coastal living. The city's serene environment attracts both residents and visitors who appreciate its natural beauty and community spirit.

Location & geography

Saint Marys lies in the southeastern part of Georgia, situated near the Atlantic coast. It is approximately 20 miles north of the city of Jacksonville, Florida, and about 10 miles from Kingsland, Georgia. The area covers a total land area of 71.75 square miles, complemented by 22.05 square miles of water, featuring scenic rivers and marshlands.

Community & economy

The character of Saint Marys is defined by its friendly atmosphere and strong sense of community among residents. The local economy is supported primarily by tourism, hospitality, and small businesses, which benefit from the city's historical charm and proximity to coastal attractions. Daily life in Saint Marys often revolves around outdoor activities, community events, and exploring the rich cultural heritage that the city has to offer.

Transportation

Major transportation routes include U.S. Highway 17, which provides easy access to neighboring cities and coastal destinations. The closest major airport is Jacksonville International Airport, located about 30 miles to the south. Local transit options are limited, but the area is well-connected for those traveling by car.

History

Saint Marys was founded in the early 19th century and has deep historical roots tied to coastal trade and industry. The city played a significant role during various periods, including the Civil War, and continues to honor its past through preserved sites and local events. Key industries have historically included timber and shipping, reflecting the city’s maritime heritage.

Did you know?

One surprising fact about Saint Marys is that it is home to the Cumberland Island National Seashore, which features pristine beaches and a diverse ecosystem. Additionally, the city hosts an annual Shrimp Festival that celebrates its fishing heritage and local cuisine.

ZIP codes for Saint Marys, GA (1)

ZIP code	City	County	Map
31558	Saint Marys	Camden	View map

Demographics & statistics

22,179

Population

32.9

Median age

$68,360

Median household income

$33,481

Per capita income

$234,500

Median home value

$1,203

Median monthly rent

56.4%

Home ownership

20.2%

Poverty rate

5.7%

Unemployment

5,754

Housing units

22.2%

Bachelor's or higher

Age distribution

Male Female

872

Under 5

865

709

5–9

703

713

10–14

707

804

15–19

798

883

20–24

876

1,958

25–34

1,942

1,422

35–44

1,410

955

45–54

948

538

55–59

533

579

60–64

574

1,068

65–74

1,060

524

75–84

520

109

85+

109

← Male

Female →

Age summary

Group	Count	%
Under 18	5,562	25.1%
18 and over	16,617	74.9%
65 and over	3,390	15.3%
Median age	32.9 years

Race & ethnicity

White 69.9%

Black or African American 12.8%

Two or more races 8.7%

Hispanic or Latino 5.1%

Asian 1.8%

Other race 1.4%

Native Hawaiian / Pacific Islander 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	16,346	69.9%
Black or African American	2,998	12.8%
Two or more races	2,022	8.7%
Hispanic or Latino	1,194	5.1%
Asian	424	1.8%
Other race	330	1.4%
Native Hawaiian / Pacific Islander	38	0.2%
American Indian / Alaska Native	21	0.1%

Household income

Under $10k 8.0%

$10k–$15k 3.2%

$15k–$25k 9.6%

$25k–$35k 7.3%

$35k–$50k 11.4%

$50k–$75k 15.6%

$75k–$100k 12.2%

$100k–$150k 19.6%

$150k–$200k 8.5%

$200k+ 4.7%

Range	% of households
Under $10k	8.0%
$10k–$15k	3.2%
$15k–$25k	9.6%
$25k–$35k	7.3%
$35k–$50k	11.4%
$50k–$75k	15.6%
$75k–$100k	12.2%
$100k–$150k	19.6%
$150k–$200k	8.5%
$200k+	4.7%
Median income	$68,360

Housing

Home values

Under $50k 4.9%

$50k–$100k 5.4%

$100k–$150k 11.7%

$150k–$200k 17.1%

$200k–$300k 27.3%

$300k–$500k 21.0%

$500k–$1M 11.4%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$234,500
Median rent / month	$1,203
Owner occupied	56.4%
Renter occupied	43.6%
Vacant	9.1%
Single-family detached	67.3%
Large apartment buildings	4.1%
Mobile homes	6.7%
Median rooms	5.9
Avg household size (owned)	2.36

Year built

Era	%
2020 or later	1.0%
2010–2019	7.0%
2000–2009	21.4%
1990–1999	27.5%
1980–1989	21.6%
1970–1979	8.4%
1960–1969	8.1%
1950–1959	3.1%
1940–1949	0.4%
1939 or earlier	1.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	3.6%
2 bedrooms	20.9%
3 bedrooms	53.8%
4 bedrooms	17.3%
5+ bedrooms	3.6%

Vehicles per household

Vehicles	% of households
No vehicle	5.7%
1 vehicle	34.8%
2 vehicles	42.3%
3 or more	17.2%

Heating fuel

Fuel type	%
Utility gas	5.9%
Electricity	91.8%
Propane / LP gas	0.6%
Fuel oil	0.1%
Wood	0.1%
No fuel used	1.6%

Households & families

Household type	Count	%
Married-couple family	4,005	46.2%
Cohabiting couple	578	6.7%
Male householder, no spouse	1,359	15.7%
Female householder, no spouse	2,725	31.4%
Households with children under 18	3,107	35.8%
Households with seniors (65+)	2,537	29.3%
Average household size	2.54

Marital status

Status	Male	Female
Never married	33.4%	26.6%
Married	49.1%	47.5%
Separated	4.6%	1.9%
Widowed	0.9%	9.5%
Divorced	12.0%	14.5%

Education

Less than 9th grade 2.1%

Some HS, no diploma 4.1%

HS graduate 29.9%

Some college, no degree 32.4%

Associate's degree 9.2%

Bachelor's degree 14.4%

Graduate / professional 7.8%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	22.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	360	6.5%
Kindergarten	347	6.2%
Elementary school	2,274	40.8%
High school	1,506	27.0%
College / grad school	1,083	19.4%

Employment

Industry of employment

Education & healthcare 18.2%

Retail trade 15.9%

Arts, food & hospitality 14.2%

Manufacturing 13.3%

Professional & management 10.2%

Transportation & utilities 6.2%

Public administration 6.2%

Construction 5.6%

Finance & real estate 3.4%

Other services 3.2%

Wholesale trade 2.1%

Agriculture & mining 0.9%

Information 0.5%

Occupation

Category	%
Management, business & arts	35.4%
Service	20.3%
Sales & office	18.3%
Natural resources & construction	5.9%
Production & transportation	20.1%

Employment type

Type	%
Private sector	73.7%
Government	21.6%
Self-employed	4.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.1%
Carpool	10.4%
Public transit	0.0%
Walk	2.0%
Other means	1.8%
Avg commute (minutes)	23.1

Poverty

All people 20.2%

Under 18 years 34.9%

18 and over 15.4%

Married-couple families 4.2%

Female-led households 61.5%

Income support

Source	% of households
Social Security	32.2%
Retirement income	28.2%
Supplemental Security	4.6%
Cash public assistance	3.2%
Food stamps / SNAP	11.2%

Health indicators

Condition	%
High blood pressure	30.0%
High cholesterol	29.0%
Heart disease	5.5%
Stroke	2.6%
Asthma	9.7%
Arthritis	23.1%
Kidney disease	2.6%
Pulmonary disease	6.1%
Cancer	5.1%

Behavior / access	%
Binge drinking	17.0%
No physical activity	24.8%
Less than 7 hrs sleep	37.0%
Fair or poor health	14.3%
Poor mental health	16.5%
Poor physical health	10.0%
No health insurance	19.5%
Visited doctor (checkup)	75.8%
Visited dentist	59.3%
Cholesterol screening	87.3%
Teeth loss	14.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,572	16.7%

Disability	%
Any disability	17.4%
Under 18	8.0%
18–64 years	18.0%
65 and over	30.9%

Health insurance coverage

Type	%
Private insurance	70.5%
Public insurance	38.6%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	20,442	92.2%
Spanish	451	2.2%
Other Indo-European	306	1.5%
Asian & Pacific Islander	94	0.5%
Other languages	39	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,409	96.5%
Born in same state	20,954	94.5%
Born in different state	6,505	29.3%
Foreign born	455	2.1%
Naturalized citizen	770	3.5%
Not a US citizen	442	57.4%

Ancestry

Ancestry	Count	%
Italian	4,254	19.2%
French	2,227	10%
Arab	1,773	8%
English	240	1.1%
Polish	176	0.8%

Ancestry	Count	%
Irish	67	0.3%
Dutch	24	0.1%
German	13	0.1%
Norwegian	5	0%

Technology access

Metric	% of households
Computer access	39.1%
Internet access	98.0%

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

Frequently asked questions

What is the ZIP code for Saint Marys, GA?

Saint Marys, GA has one ZIP code: 31558.

What is the main ZIP code for Saint Marys, GA?

The primary ZIP code for Saint Marys, GA is 31558. The city uses area code 912 for phone service.

What county is Saint Marys, GA in?

Saint Marys is located in Camden County, Georgia.

How many ZIP codes are in Saint Marys, GA?

Saint Marys, GA has 1 ZIP code.

What ZIP code covers the historic downtown area of Saint Marys along the St. Marys River waterfront?

The historic downtown district of Saint Marys, including the riverside area with its Victorian homes and waterfront shops, is located in ZIP code 31558.

What is the ZIP code for Saint Marys near the Cumberland Island National Seashore access points?

Saint Marys, which serves as the primary gateway to Cumberland Island National Seashore, is served by ZIP code 31558 for all mail and address purposes.