Postal Codes

78204 ZIP Code

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ZIP code 78204 covers San Antonio, Texas, with a population of about 11,944 and a median household income of $54,667.

Population
11,9444,406 per square mile
Median age
36.22.5 points below the US average
Median household income
$54,66728% below the Texas median
Poverty rate
16%3.6 points above the US average
Typical home value
$170,229down 24.4% in five years
Median rent
$1,5161.1× the Texas median
Degree or higher
26.5%8.5 points below the US average
Homeownership
47.7%17.3 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
257

Where 78204 is

San Antonio, Texas — 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

Population11,944
Median age36.2
Family households51.9%
Born outside the US15%
Speaks a language other than English at home49.7%
White (non-Hispanic)14.7%
Black (non-Hispanic)2.2%
Asian (non-Hispanic)0.2%
Hispanic or Latino81.5%
Veterans6.4%
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$54,667
Income per person$36,941
Poverty rate16%
Households on SNAP or cash assistance16.3%

Household income distribution

Under $10k5.7%
$10–15k6.4%
$15–20k1.9%
$20–25k5.5%
$25–30k9.8%
$30–35k4.4%
$35–40k3.0%
$40–45k4.4%
$45–50k2.8%
$50–60k7.4%
$60–75k9.3%
$75–100k10.5%
$100–125k9.7%
$125–150k4.5%
$150–200k7.3%
$200k or more7.4%

Income as declared to the IRS

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

Tax returns filed5,520
Mean adjusted gross income$67,542
Returns declaring $200,000 or more4%
Returns, under $25k34.2%
Returns, $25k–$50k30.4%
Returns, $50k–$75k15.6%
Returns, $75k–$100k7.6%
Returns, $100k–$200k8.2%
Returns, $200k or more4.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$142,200
Median gross rent$1,516
Rent as a share of household income28.3%
Owner-occupied47.7%
Vacant homes18.6%
Median year built1955

What the homes are

Detached house58.1%
Attached house2.3%
2 to 4 units5.7%
5 to 19 units4.9%
20 or more units27.8%
Mobile home1.2%
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$170,229as of 2026-07
Typical home value, 1 yeardown 4.7%
Typical home value, 5 yearsdown 24.4%
Typical home value, 10 yearsup 31.4%
Typical asking rent$1,325as of 2026-07
Typical asking rent, 1 yeardown 2.9%
Typical asking rent, 5 yearsup 1.5%
Typical home value since 2000
200020132026$236,799$67,140

$68,484 in 2000 to $170,229 in 2026.

Typical asking rent
202020232026$1,406$1,266

$1,266 in 2020 to $1,325 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.9%
Bachelor's degree or higher26.5%
High school diploma or higher77.9%
Works from home11.7%
Drives to work alone71.1%
Takes public transport5.5%
Commutes 45 minutes or more8.6%
Health

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

Obesity35.8% 2.4 pts above the national average of 33.4%
Diagnosed diabetes17.1% 5.1 pts above the national average of 12%
Currently smokes12.4% 0.8 pts below the national average of 13.2%
High blood pressure35.5% 1.4 pts above the national average of 34.1%
Fair or poor general health27.4% 7.1 pts above the national average of 20.3%
No health insurance (18–64)27.7% 16.4 pts above the national average of 11.3%
Depression21.1% 0.8 pts below the national average of 21.9%
No leisure-time physical activity35.5% 10.1 pts above the national average of 25.4%
Arthritis23.1% 2 pts below the national average of 25.1%
Binge drinking15.6% same as the national average of 16%
Taking blood pressure medication74.3% same as the national average of 74.7%
Cancer (non-skin)5.2% 2.5 pts below the national average of 7.7%
Current asthma8.6% 1.8 pts below the national average of 10.4%
Coronary heart disease6.3% same as the national average of 6.2%
Routine check-up in past year72.1% 4.6 pts below the national average of 76.7%
Cholesterol screening83.9% 2 pts below the national average of 85.9%
Cognitive disability16.5% 1.7 pts above the national average of 14.8%
Colorectal screening57.1% 7.2 pts below the national average of 64.3%
COPD5.3% 1.3 pts below the national average of 6.6%
Visited a dentist50.4% 10.9 pts below the national average of 61.3%
Any disability35.3% 4.6 pts above the national average of 30.7%
Hearing disability7.3% 0.6 pts above the national average of 6.7%
High cholesterol35.3% 0.9 pts below the national average of 36.2%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Mammography use73.3% 2.6 pts below the national average of 75.9%
Poor mental health (14+ days)16.1% 0.7 pts below the national average of 16.8%
Mobility disability17.5% 3.5 pts above the national average of 14%
Poor physical health (14+ days)15.8% 2.3 pts above the national average of 13.5%
Self-care disability5.3% 1.3 pts above the national average of 4%
Sleeps under 7 hours41.8% 5.4 pts above the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost12.7% same as the national average of 13%
Vision disability8.8% 3.2 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments257
People employed7,623
Annual payroll$645,622,000
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 72.8% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 7 census tracts this ZIP code covers
Expected annual loss70.2 out of 100
Community resilience20.6 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.

Hail94.7Very High at its worst in this ZIP code
River flooding88Very High at its worst in this ZIP code
Tornado82.4Very High at its worst in this ZIP code
Heat wave70.8Relatively High at its worst in this ZIP code
Hurricane50.3Relatively Low at its worst in this ZIP code
Landslide37.5Very Low at its worst in this ZIP code
Cold wave31Relatively Moderate at its worst in this ZIP code
Winter weather27.5Relatively Low at its worst in this ZIP code
Lightning24.1Relatively Low at its worst in this ZIP code
Strong wind19.4Relatively Low at its worst in this ZIP code
Wildfire15.3Very Low at its worst in this ZIP code
Earthquake12.8Very Low at its worst in this ZIP code
Ice storm11.3Relatively Low at its worst in this ZIP code
Compared with Texas 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 ZIPTexasUnited States
Median household income$54,667$76,292$78,538
Income per person$36,941$39,446$43,289
Poverty rate16%13.8%12.4%
Median home value$142,200$260,400$303,400
Median gross rent$1,516$1,339$1,348
Homeownership47.7%62.6%65%
Bachelor's degree or higher26.5%33.1%35%
Unemployment rate5.9%5.1%5.2%
Works from home11.7%12.8%13.5%
Born outside the US15%17.2%13.9%
Median age36.235.538.7
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 stationSAN ANTONIO KELLY AFB, TX US7.7 km away

Average high and low by month

January64.1°F / 41°F
February69.6°F / 43.9°F
March75.2°F / 51.9°F
April81.9°F / 58.5°F
May88.6°F / 66.3°F
June93°F / 71.8°F
July95.9°F / 73.8°F
August96.8°F / 74.2°F
September91.8°F / 69.6°F
October84.2°F / 60.4°F
November71.8°F / 48.9°F
December65.1°F / 41.2°F
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 supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket55% 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%.

San Antonio Independent 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 vulnerability82more vulnerable than 82% of US census tracts
Socioeconomic status74more vulnerable than 74% of US census tracts
Household characteristics73more vulnerable than 73% of US census tracts
Racial and ethnic minority status84more vulnerable than 84% of US census tracts
Housing type and transport77more vulnerable than 77% of US census tracts
Walkability14.5 out of 20Above average
Nearby ZIP codes

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

78234 Jbsa Ft Sam Houston, TX2.4 km away
78236 Jbsa Lackland, TX2.4 km away
78288 San Antonio, TX2.4 km away
78205 San Antonio, TX2.5 km away
78207 San Antonio, TX2.6 km away
78225 San Antonio, TX2.6 km away
78212 San Antonio, TX3.9 km away
78210 San Antonio, TX4.2 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.

Bexar County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area2.71 sq mi
Water area0.08 sq mi
Population density4,406 people per sq mi
Latitude, longitude29.4059, -98.5078

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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