Postal Codes

78233 ZIP Code

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ZIP code 78233 covers San Antonio, Texas, with a population of about 47,659 and a median household income of $73,729.

Population
47,6593,486 per square mile
Median age
34.54.2 points below the US average
Median household income
$73,729about the Texas median
Poverty rate
11.4%1 points below the US average
Typical home value
$232,294up 7.9% in five years
Median rent
$1,4561.1× the Texas median
Degree or higher
26.5%8.5 points below the US average
Homeownership
61.4%3.6 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
866

Where 78233 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

Population47,659
Median age34.5
Family households67.4%
Born outside the US11.9%
Speaks a language other than English at home30.5%
White (non-Hispanic)30.9%
Black (non-Hispanic)11%
Asian (non-Hispanic)3%
Hispanic or Latino51.9%
Veterans11.1%
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$73,729
Income per person$33,047
Poverty rate11.4%
Households on SNAP or cash assistance9.4%

Household income distribution

Under $10k3.4%
$10–15k1.7%
$15–20k3.2%
$20–25k3.3%
$25–30k4.0%
$30–35k3.1%
$35–40k4.0%
$40–45k3.7%
$45–50k3.3%
$50–60k8.7%
$60–75k12.2%
$75–100k20.9%
$100–125k12.3%
$125–150k5.8%
$150–200k6.1%
$200k or more4.3%

Income as declared to the IRS

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

Tax returns filed23,450
Mean adjusted gross income$52,822
Returns declaring $200,000 or more1.3%
Returns, under $25k30.1%
Returns, $25k–$50k30.3%
Returns, $50k–$75k18.0%
Returns, $75k–$100k9.6%
Returns, $100k–$200k10.6%
Returns, $200k or more1.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$203,300
Median gross rent$1,456
Rent as a share of household income29.3%
Owner-occupied61.4%
Vacant homes4.8%
Median year built1985

What the homes are

Detached house71.2%
Attached house1.5%
2 to 4 units4.2%
5 to 19 units12.2%
20 or more units6.7%
Mobile home3.7%
Boat, RV or van0.5%
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$232,294as of 2026-07
Typical home value, 1 yeardown 1%
Typical home value, 5 yearsup 7.9%
Typical home value, 10 yearsup 59.6%
Typical asking rent$1,269as of 2026-07
Typical asking rent, 1 yeardown 5.9%
Typical asking rent, 5 yearsup 4.9%
Typical asking rent, 10 yearsup 29.9%
Typical home value since 2000
200020132026$252,012$84,100

$85,723 in 2000 to $232,294 in 2026.

Typical asking rent
201520202026$1,361$940

$940 in 2015 to $1,269 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.9%
Bachelor's degree or higher26.5%
High school diploma or higher91.4%
Works from home11.8%
Drives to work alone72.2%
Takes public transport1%
Commutes 45 minutes or more9.5%
Health

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

Obesity33.8% same as the national average of 33.4%
Diagnosed diabetes13.6% 1.6 pts above the national average of 12%
Currently smokes12.5% 0.7 pts below the national average of 13.2%
High blood pressure34.4% same as the national average of 34.1%
Fair or poor general health21.6% 1.3 pts above the national average of 20.3%
No health insurance (18–64)19.1% 7.8 pts above the national average of 11.3%
Depression23% 1.1 pts above the national average of 21.9%
No leisure-time physical activity29.3% 3.9 pts above the national average of 25.4%
Arthritis23.5% 1.6 pts below the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication73.8% 0.9 pts below the national average of 74.7%
Cancer (non-skin)6.1% 1.6 pts below the national average of 7.7%
Current asthma9.4% 1 pts below the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year72.9% 3.8 pts below the national average of 76.7%
Cholesterol screening84.7% 1.2 pts below the national average of 85.9%
Cognitive disability15.3% 0.5 pts above the national average of 14.8%
Colorectal screening62.3% 2 pts below the national average of 64.3%
COPD5.5% 1.1 pts below the national average of 6.6%
Visited a dentist55.3% 6 pts below the national average of 61.3%
Any disability31.6% 0.9 pts above the national average of 30.7%
Hearing disability6.3% same as the national average of 6.7%
High cholesterol33.3% 2.9 pts below the national average of 36.2%
Independent living disability8.2% same as the national average of 8.4%
Mammography use73.5% 2.4 pts below the national average of 75.9%
Poor mental health (14+ days)17.1% same as the national average of 16.8%
Mobility disability14.3% same as the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability4% same as the national average of 4%
Sleeps under 7 hours41.9% 5.5 pts above the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost12% 1 pts below the national average of 13%
Vision disability6.1% 0.5 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments866
People employed15,809
Annual payroll$839,873,000
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 59.7% of US census tracts
FEMA ratingVery Low to Relatively High across the 12 census tracts this ZIP code covers
Expected annual loss62.6 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.

Hail96.3Very High at its worst in this ZIP code
Tornado90.7Very High at its worst in this ZIP code
Heat wave82.3Relatively High at its worst in this ZIP code
River flooding65.9Very High at its worst in this ZIP code
Hurricane52Relatively Low at its worst in this ZIP code
Wildfire50Relatively Low at its worst in this ZIP code
Landslide43Very Low at its worst in this ZIP code
Cold wave38.8Relatively Moderate at its worst in this ZIP code
Lightning33.9Relatively Low at its worst in this ZIP code
Winter weather32.5Relatively Low at its worst in this ZIP code
Strong wind24.1Relatively Low at its worst in this ZIP code
Ice storm14.7Very Low at its worst in this ZIP code
Earthquake6.8Very Low at its worst in this ZIP code
Drought2.2Relatively 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$73,729$76,292$78,538
Income per person$33,047$39,446$43,289
Poverty rate11.4%13.8%12.4%
Median home value$203,300$260,400$303,400
Median gross rent$1,456$1,339$1,348
Homeownership61.4%62.6%65%
Bachelor's degree or higher26.5%33.1%35%
Unemployment rate3.9%5.1%5.2%
Works from home11.8%12.8%13.5%
Born outside the US11.9%17.2%13.9%
Median age34.535.538.7
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 stationRANDOLPH AFB, TX US8.9 km away

Average high and low by month

January63.1°F / 41.1°F
February68.1°F / 45.1°F
March73°F / 51°F
April80.1°F / 58.2°F
May86.9°F / 65.5°F
June92.1°F / 71.4°F
July95.7°F / 73.3°F
August96.3°F / 73.4°F
September90.1°F / 68.4°F
October83.6°F / 59.4°F
November71.9°F / 49°F
December64.2°F / 41.7°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 supermarket14% of this ZIP code's area
Far from a supermarket72% of this ZIP code's area
No vehicle and far from a supermarket49% 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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

North East Independent School District71.7% of this ZIP code's land area
Judson Independent School District28.3% 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 vulnerability71more vulnerable than 71% of US census tracts
Socioeconomic status66more vulnerable than 66% of US census tracts
Household characteristics78more vulnerable than 78% of US census tracts
Racial and ethnic minority status77more vulnerable than 77% of US census tracts
Housing type and transport53more vulnerable than 53% 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.

78239 San Antonio, TX4.2 km away
78247 San Antonio, TX5.3 km away
78217 San Antonio, TX5.6 km away
78109 Converse, TX6 km away
78148 Universal City, TX6.8 km away
78218 San Antonio, TX7.6 km away
78244 San Antonio, TX8.7 km away
78154 Schertz, TX8.7 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 area13.67 sq mi
Water area0.1 sq mi
Population density3,486 people per sq mi
Latitude, longitude29.5563, -98.3643

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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