Postal Codes

31558 ZIP Code

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ZIP code 31558 covers Saint Marys, Georgia, with a population of about 22,498 and a median household income of $67,761.

Population
22,498314 per square mile
Median age
32.76 points below the US average
Median household income
$67,7619% below the Georgia median
Poverty rate
19.6%7.2 points above the US average
Typical home value
$313,575up 34.8% in five years
Median rent
$1,2058% below the Georgia median
Degree or higher
24.9%10.1 points below the US average
Homeownership
53.3%11.7 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
379

Where 31558 is

Saint Marys, 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

Population22,498
Median age32.7
Family households69.9%
Born outside the US2.6%
Speaks a language other than English at home5.7%
White (non-Hispanic)70.6%
Black (non-Hispanic)14.3%
Asian (non-Hispanic)1.6%
Hispanic or Latino7.6%
Veterans16.1%
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$67,761
Income per person$34,025
Poverty rate19.6%
Households on SNAP or cash assistance14.3%

Household income distribution

Under $10k6.5%
$10–15k4.3%
$15–20k4.7%
$20–25k5.3%
$25–30k2.4%
$30–35k4.1%
$35–40k3.9%
$40–45k4.0%
$45–50k4.4%
$50–60k6.3%
$60–75k9.8%
$75–100k12.8%
$100–125k8.9%
$125–150k9.1%
$150–200k7.4%
$200k or more6.3%

Income as declared to the IRS

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

Tax returns filed9,250
Mean adjusted gross income$71,704
Returns declaring $200,000 or more4.6%
Returns, under $25k24.4%
Returns, $25k–$50k26.3%
Returns, $50k–$75k17.2%
Returns, $75k–$100k10.4%
Returns, $100k–$200k17.1%
Returns, $200k or more4.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$250,700
Median gross rent$1,205
Rent as a share of household income36.2%
Owner-occupied53.3%
Vacant homes7.6%
Median year built1993

What the homes are

Detached house67.2%
Attached house3.7%
2 to 4 units10.2%
5 to 19 units9.1%
20 or more units3.5%
Mobile home5.5%
Boat, RV or van0.7%
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$313,575as of 2026-07
Typical home value, 1 yeardown 0.1%
Typical home value, 5 yearsup 34.8%
Typical home value, 10 yearsup 93.1%
Typical asking rent$1,637as of 2026-07
Typical asking rent, 1 yearup 3.1%
Typical home value since 2000
200020132026$313,830$106,934

$106,934 in 2000 to $313,575 in 2026.

Typical asking rent
202220242026$1,637$1,367

$1,367 in 2022 to $1,637 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.8%
Bachelor's degree or higher24.9%
High school diploma or higher93.3%
Works from home13.1%
Drives to work alone73.7%
Takes public transport0.1%
Commutes 45 minutes or more19.1%
Health

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

Obesity38.1% 4.7 pts above the national average of 33.4%
Diagnosed diabetes12.9% 0.9 pts above the national average of 12%
Currently smokes16% 2.8 pts above the national average of 13.2%
High blood pressure36.6% 2.5 pts above the national average of 34.1%
Fair or poor general health21.4% 1.1 pts above the national average of 20.3%
No health insurance (18–64)13.3% 2 pts above the national average of 11.3%
Depression21.9% same as the national average of 21.9%
No leisure-time physical activity28.3% 2.9 pts above the national average of 25.4%
Arthritis26.4% 1.3 pts above the national average of 25.1%
Binge drinking15.5% 0.5 pts below the national average of 16%
Taking blood pressure medication75.6% 0.9 pts above the national average of 74.7%
Cancer (non-skin)7.8% same as the national average of 7.7%
Current asthma10.5% same as the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year77.1% same as the national average of 76.7%
Cholesterol screening84.8% 1.1 pts below the national average of 85.9%
Cognitive disability16.2% 1.4 pts above the national average of 14.8%
Colorectal screening68.2% 3.9 pts above the national average of 64.3%
COPD7.7% 1.1 pts above the national average of 6.6%
Visited a dentist58.2% 3.1 pts below the national average of 61.3%
Any disability32.5% 1.8 pts above the national average of 30.7%
Lacks emotional support22.9% 1.9 pts below the national average of 24.8%
Food insecurity18.1% 1 pts above the national average of 17.1%
Received food stamps15.9% 1.6 pts above the national average of 14.3%
Hearing disability7.1% same as the national average of 6.7%
High cholesterol37.3% 1.1 pts above the national average of 36.2%
Housing insecurity14.6% 0.8 pts above the national average of 13.8%
Independent living disability9.8% 1.4 pts above the national average of 8.4%
Lacks transport10.2% 1 pts above the national average of 9.2%
Loneliness35.8% 1.4 pts above the national average of 34.4%
Mammography use76.8% 0.9 pts above the national average of 75.9%
Poor mental health (14+ days)18.8% 2 pts above the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)14.6% 1.1 pts above the national average of 13.5%
Self-care disability4.5% 0.5 pts above the national average of 4%
Utility shut-off threat9.8% 1 pts above the national average of 8.8%
Sleeps under 7 hours36.9% 0.5 pts above the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost14.6% 1.6 pts above the national average of 13%
Vision disability5.9% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments379
People employed3,811
Annual payroll$140,323,000
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 36.4% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 8 census tracts this ZIP code covers
Expected annual loss34.2 out of 100
Community resilience41.6 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.

Coastal flooding93.8Relatively High at its worst in this ZIP code
Wildfire89.7Relatively Moderate at its worst in this ZIP code
Hurricane89.6Relatively High at its worst in this ZIP code
Lightning50Relatively Moderate at its worst in this ZIP code
Tornado47.4Relatively Moderate at its worst in this ZIP code
Strong wind46.3Relatively Moderate at its worst in this ZIP code
Landslide43Very Low at its worst in this ZIP code
Ice storm41Relatively Low at its worst in this ZIP code
Heat wave38.6Relatively Moderate at its worst in this ZIP code
Hail37Relatively Low at its worst in this ZIP code
Earthquake31.3Relatively Low at its worst in this ZIP code
Winter weather24.1Relatively Low at its worst in this ZIP code
Cold wave18.9Relatively Low at its worst in this ZIP code
River flooding13Relatively 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$67,761$74,664$78,538
Income per person$34,025$39,525$43,289
Poverty rate19.6%13.5%12.4%
Median home value$250,700$272,900$303,400
Median gross rent$1,205$1,306$1,348
Homeownership53.3%65.4%65%
Bachelor's degree or higher24.9%34.2%35%
Unemployment rate8.8%5.1%5.2%
Works from home13.1%14.2%13.5%
Born outside the US2.6%10.8%13.9%
Median age32.737.438.7
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 stationFERNANDINA BEACH, FL US11.4 km away
Rain in a year50 in

Average high and low by month

January64.3°F / 45.4°F3.2 in rain
February66.6°F / 48.6°F3.13 in rain
March72.2°F / 54.1°F3.27 in rain
April77.4°F / 59.8°F3.03 in rain
May83.9°F / 67.7°F2.68 in rain
June88.3°F / 73.1°F6.12 in rain
July90.7°F / 74.9°F4.96 in rain
August89.5°F / 74.9°F6.39 in rain
September86°F / 73.2°F7.19 in rain
October80.1°F / 65.3°F4.97 in rain
November72.4°F / 56.1°F1.87 in rain
December66.3°F / 49.4°F3.12 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 supermarket22% of this ZIP code's area
Far from a supermarket41% of this ZIP code's area
No vehicle and far from a supermarket12% 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%.

Camden 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 vulnerability33more vulnerable than 33% of US census tracts
Socioeconomic status39more vulnerable than 39% of US census tracts
Household characteristics29more vulnerable than 29% of US census tracts
Racial and ethnic minority status35more vulnerable than 35% of US census tracts
Housing type and transport40more vulnerable than 40% of US census tracts
Walkability5.2 out of 20Least walkable
Nearby ZIP codes

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

31547 Kings Bay, GA6.8 km away
32034 Fernandina Beach, FL10.5 km away
32035 Fernandina Beach, FL10.5 km away
32041 Yulee, FL12.6 km away
32097 Yulee, FL12.8 km away
31548 Kingsland, GA17.1 km away
31569 Woodbine, GA26.8 km away
32226 Jacksonville, FL28.6 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.

Camden County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area71.75 sq mi
Water area22.05 sq mi
Population density314 people per sq mi
Latitude, longitude30.7305, -81.5465

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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