Postal Codes

29404 ZIP Code

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ZIP code 29404 covers Charleston Afb, South Carolina, with a population of about 2,217 and a median household income of $74,821.

Population
2,217439 per square mile
Median age
21.417.3 points below the US average
Median household income
$74,8211.1× the South Carolina median
Poverty rate
4.5%7.9 points below the US average
Median rent
$1,8441.6× the South Carolina median
Degree or higher
40.1%5.1 points above the US average
Homeownership
0%65 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
27

Where 29404 is

Charleston Afb, South Carolina — 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

Population2,217
Median age21.4
Family households86.5%
Born outside the US3.7%
Speaks a language other than English at home9.5%
White (non-Hispanic)61.6%
Black (non-Hispanic)18.8%
Asian (non-Hispanic)2.6%
Hispanic or Latino13.1%
Veterans19.1%
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$74,821
Income per person$25,944
Poverty rate4.5%
Households on SNAP or cash assistance2.6%

Household income distribution

Under $10k0.0%
$10–15k2.9%
$15–20k1.8%
$20–25k1.5%
$25–30k3.3%
$30–35k4.7%
$35–40k10.7%
$40–45k5.1%
$45–50k6.2%
$50–60k5.3%
$60–75k8.6%
$75–100k30.6%
$100–125k10.4%
$125–150k2.6%
$150–200k3.5%
$200k or more2.9%

Income as declared to the IRS

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

Tax returns filed800
Mean adjusted gross income$44,106
Returns declaring $200,000 or more0%
Returns, under $25k31.2%
Returns, $25k–$50k41.2%
Returns, $50k–$75k12.5%
Returns, $75k–$100k7.5%
Returns, $100k–$200k7.5%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$1,844
Rent as a share of household income29.9%
Owner-occupied0%
Vacant homes12.9%
Median year built2007

What the homes are

Detached house16.2%
Attached house56%
2 to 4 units21.3%
5 to 19 units3.3%
20 or more units3.2%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.8%
Bachelor's degree or higher40.1%
High school diploma or higher94.6%
Works from home5.6%
Drives to work alone58.8%
Takes public transport1.4%
Commutes 45 minutes or more1.7%
Health

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

Obesity25.2% 8.2 pts below the national average of 33.4%
Diagnosed diabetes4.7% 7.3 pts below the national average of 12%
Currently smokes8.9% 4.3 pts below the national average of 13.2%
High blood pressure16.6% 17.5 pts below the national average of 34.1%
Fair or poor general health12.2% 8.1 pts below the national average of 20.3%
No health insurance (18–64)12.9% 1.6 pts above the national average of 11.3%
Depression23.1% 1.2 pts above the national average of 21.9%
No leisure-time physical activity16.7% 8.7 pts below the national average of 25.4%
Arthritis10.1% 15 pts below the national average of 25.1%
Binge drinking30.8% 14.8 pts above the national average of 16%
Taking blood pressure medication54.9% 19.8 pts below the national average of 74.7%
Cancer (non-skin)2.7% 5 pts below the national average of 7.7%
Current asthma8.2% 2.2 pts below the national average of 10.4%
Coronary heart disease2.2% 4 pts below the national average of 6.2%
Routine check-up in past year69% 7.7 pts below the national average of 76.7%
Cholesterol screening75.7% 10.2 pts below the national average of 85.9%
Cognitive disability15.8% 1 pts above the national average of 14.8%
Colorectal screening69.3% 5 pts above the national average of 64.3%
COPD2.8% 3.8 pts below the national average of 6.6%
Visited a dentist60.4% 0.9 pts below the national average of 61.3%
Any disability23.4% 7.3 pts below the national average of 30.7%
Lacks emotional support25.8% 1 pts above the national average of 24.8%
Food insecurity14.2% 2.9 pts below the national average of 17.1%
Received food stamps6.5% 7.8 pts below the national average of 14.3%
Hearing disability3.3% 3.4 pts below the national average of 6.7%
High cholesterol21.4% 14.8 pts below the national average of 36.2%
Housing insecurity11.9% 1.9 pts below the national average of 13.8%
Independent living disability6.5% 1.9 pts below the national average of 8.4%
Lacks transport8.7% 0.5 pts below the national average of 9.2%
Loneliness37.7% 3.3 pts above the national average of 34.4%
Mammography use75.9% same as the national average of 75.9%
Poor mental health (14+ days)18.6% 1.8 pts above the national average of 16.8%
Mobility disability5.4% 8.6 pts below the national average of 14%
Poor physical health (14+ days)8.3% 5.2 pts below the national average of 13.5%
Self-care disability1.8% 2.2 pts below the national average of 4%
Utility shut-off threat6.9% 1.9 pts below the national average of 8.8%
Sleeps under 7 hours33% 3.4 pts below the national average of 36.4%
Stroke1.3% 2.1 pts below the national average of 3.4%
All natural teeth lost9.7% 3.3 pts below the national average of 13%
Vision disability3.4% 2.2 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments27
People employed194
Annual payroll$13,002,000
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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 35.6% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 2 census tracts this ZIP code covers
Expected annual loss64.5 out of 100
Community resilience94.1 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.

Hurricane92.3Relatively High at its worst in this ZIP code
Earthquake81.4Relatively High at its worst in this ZIP code
Drought65.4Very Low at its worst in this ZIP code
Wildfire56.2Relatively Low at its worst in this ZIP code
Ice storm45.7Relatively Low at its worst in this ZIP code
Landslide30.2Very Low at its worst in this ZIP code
Cold wave29Relatively Low at its worst in this ZIP code
Winter weather28.4Relatively Low at its worst in this ZIP code
Lightning24.1Relatively Low at its worst in this ZIP code
Hail22.5Very Low at its worst in this ZIP code
Strong wind20Relatively Low at its worst in this ZIP code
Tornado17Very Low at its worst in this ZIP code
Coastal flooding8.1Relatively Moderate at its worst in this ZIP code
Heat wave6.6Relatively Low at its worst in this ZIP code
River flooding2.3Very Low at its worst in this ZIP code
Compared with South Carolina 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 ZIPSouth CarolinaUnited States
Median household income$74,821$66,818$78,538
Income per person$25,944$37,993$43,289
Poverty rate4.5%14.2%12.4%
Median home value$236,700$303,400
Median gross rent$1,844$1,126$1,348
Homeownership0%71.4%65%
Bachelor's degree or higher40.1%31.5%35%
Unemployment rate1.8%5%5.2%
Works from home5.6%10%13.5%
Born outside the US3.7%5.6%13.9%
Median age21.440.138.7
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 stationCHARLESTON INTL AP, SC US2.6 km away
Rain in a year53 in
Snow in a year0 in

Average high and low by month

January60.2°F / 38.9°F3.37 in rain, 0.2 in snow
February63.8°F / 41.6°F3.05 in rain, 0.1 in snow
March70.1°F / 47.3°F3.35 in rain
April77.1°F / 54.5°F3.29 in rain
May83.6°F / 63°F3.32 in rain
June88.5°F / 70.4°F6.21 in rain
July91.3°F / 73.7°F6.6 in rain
August89.8°F / 73.1°F6.97 in rain
September85.4°F / 68.3°F6.01 in rain
October77.9°F / 57.7°F4.33 in rain
November69.4°F / 47.1°F2.66 in rain
December62.7°F / 41.6°F3.35 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 supermarket100% of this ZIP code's area
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarket1% 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%.

Charleston 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 vulnerability40more vulnerable than 40% of US census tracts
Socioeconomic status47more vulnerable than 47% of US census tracts
Household characteristics23more vulnerable than 23% of US census tracts
Racial and ethnic minority status57more vulnerable than 57% of US census tracts
Housing type and transport39more vulnerable than 39% of US census tracts
Walkability8 out of 20Below average
Nearby ZIP codes

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

29418 North Charleston, SC2.2 km away
29410 Hanahan, SC4.9 km away
29420 North Charleston, SC5.1 km away
29406 Charleston, SC5.3 km away
29414 Charleston, SC8.6 km away
29405 North Charleston, SC8.8 km away
29415 North Charleston, SC10 km away
29419 North Charleston, SC10 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.

Charleston County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area5.05 sq mi
Population density439 people per sq mi
Latitude, longitude32.8982, -80.0686

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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