PlainZIP

Saint Marys, GA · standard

ZIP Code 31558

Camden County, Georgia - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

20,373
104/sq mi
$74,268
Median income
$297,000
Median home value
27.1%
Bachelor's or higher

The verdict

Saint Marys pairs an above-median household income with above-median home values, in a rural, mixed-tenure area.

Top 46%
household income, US ZIPs
Top 34%
home value, US ZIPs
104
people per sq mi
59%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 31558 against every reporting US ZIP.

ZIP code 31558 is a densely settled ZIP (a standard USPS delivery area) in Saint Marys, Camden County, Georgia, with 20,373 residents across 196.8 square miles, a density of 104 people per square mile, in the New York time zone.

ZIP 31558 lands in the middle-income range, with a median household income of $74,268 (6% above the Georgia average), while per-capita income is $35,708. The poverty rate stands at 17.7% and the unemployment rate at 7.2%. The typical home here is valued at $297,000 (23% above the state average); renters pay a median of $1,265 monthly, and 58.8% of units are owner-occupied.

Educational attainment sits below the national norm: 27.1% of adults hold a bachelor's degree or higher, the median age is 33, and the average commute is 25 minutes. Beyond these figures, 1 nearby ZIP codes within about 10 miles are surfaced below, along with 5 more sharing Camden County, letting you compare 31558 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 31558

Top 5 sectors by establishment count in Saint Marys, GA

Which industries have the most business establishments in ZIP 31558.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 31558, Saint Marys, GA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

20,373

Population

196.8

Area (sq mi)

104

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 31558?

33.0

Median Age

50.8%

Male

49.2%

Female

2.9%

Foreign-Born

White 72.4%
African American 13.8%
Asian 1.6%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 9.2%
Hispanic or Latino 8.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$74,268

Median Household Income

+6% vs state

$35,708

Per Capita Income

17.7%

Poverty Rate

7.2%

Unemployment Rate

25.2 min

Mean Commute Time

How ZIP 31558 ranks nationally

Saint Marys, GA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$74,268 Top 46% higher than 54% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 55.7%
Bachelor's Degree or Higher 27.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

9,321

Total Housing Units

8,625

Occupied Units

696

Vacant Units

2.60

Avg Household Size

Occupancy Type

Owner 58.8%
Renter 41.2%

$297,000

Median Home Value

+23% vs state

$1,265

Median Rent

1993

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+4.4%

YoY Change (2024)

293

HPI Index (2000 = 100)

+193%

Total Change Since 2000

Home values in ZIP 31558 have increased 4.4% over the past year (2024). Since 2000, this ZIP has seen +193% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.0% 181
2021 +11.4% 201
2022 +26.8% 255
2023 +9.9% 281
2024 +4.4% 293

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 395 business establishments in ZIP 31558, employing approximately 3,822 people with a combined annual payroll of $143,189,000.

395

Businesses

3,822

Employees

$143.2M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 66 16.7%
Retail trade 60 15.2%
Other services (except public administration) 51 12.9%
Accommodation and food services 48 12.2%
Professional, scientific, and technical services 37 9.4%
Finance and insurance 27 6.8%
Real estate and rental and leasing 26 6.6%
Construction 20 5.1%
Administrative and support and waste management and remediation services 16 4.0%
Information 11 2.8%
Manufacturing 9 2.3%
Transportation and warehousing 8 2.0%
Educational services 6 1.5%
Wholesale trade 4 1.0%
Arts, entertainment, and recreation 3 0.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 31558 vs 31547 →

ZIP Code City Population Distance
31547 Kings Bay, GA 1,293 3.7 mi

More ZIP Codes in Camden County

31548 standard
Kingsland, GA
Pop: 20,020
31569 standard
Woodbine, GA
Pop: 5,580
31565 standard
Waverly, GA
Pop: 1,841
31547 standard
Kings Bay, GA
Pop: 1,293
31568 standard
White Oak, GA
Pop: 1,273

Related Areas

Camden County Saint Marys, GA Georgia

Frequently Asked Questions

What county is ZIP code 31558 in? ▼
ZIP code 31558 (Saint Marys) is located in Camden County, Georgia. Camden County contains multiple ZIP codes, see the full list at /counties/camden-ga.
What is the population of ZIP code 31558? ▼
ZIP code 31558 in Saint Marys, GA has a population of 20,373 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 31558? ▼
The median household income in ZIP 31558 is $74,268, which is 3% below the national average of $76,288.
What is the average home value in ZIP 31558? ▼
The median home value in ZIP 31558 is $297,000, which is 7% above the national average of $278,155.
What is the demographic makeup of ZIP 31558? ▼
The largest racial group in ZIP 31558 is White at 72.4%. Hispanic or Latino residents make up 8.4% of the population.
How many businesses are in ZIP code 31558? ▼
ZIP code 31558 has 395 business establishments employing approximately 3,822 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 31558? ▼
The top industries by establishment count in ZIP 31558 are: Health care and social assistance (66), Retail trade (60), Other services (except public administration) (51). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 31558? ▼
According to the FHFA House Price Index, home values in ZIP 31558 increased by 4.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 193%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 31558? ▼
In ZIP code 31558, 55.7% of residents aged 25+ have a high school diploma or higher, and 27.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 31558? ▼
The mean commute time for workers in ZIP code 31558 is 25.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 31558? ▼
In ZIP code 31558, approximately 58.8% of occupied housing units are owner-occupied and 41.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 31558? ▼
The poverty rate in ZIP code 31558 is 17.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.