Postal Codes

78256 ZIP Code

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ZIP code 78256 covers San Antonio, Texas, with a population of about 12,014 and a median household income of $72,797.

Population
12,0141,504 per square mile
Median age
29.79 points below the US average
Median household income
$72,797about the Texas median
Poverty rate
19.9%7.5 points above the US average
Typical home value
$596,260up 19% in five years
Median rent
$1,5451.2× the Texas median
Degree or higher
58.5%23.5 points above the US average
Homeownership
29.9%35.1 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
397

Where 78256 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

Population12,014
Median age29.7
Family households41.2%
Born outside the US12.5%
Speaks a language other than English at home30.7%
White (non-Hispanic)37.4%
Black (non-Hispanic)6%
Asian (non-Hispanic)4.7%
Hispanic or Latino44.7%
Veterans5.4%
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$72,797
Income per person$53,338
Poverty rate19.9%
Households on SNAP or cash assistance4.3%

Household income distribution

Under $10k6.5%
$10–15k3.3%
$15–20k3.2%
$20–25k1.9%
$25–30k4.1%
$30–35k1.5%
$35–40k1.7%
$40–45k5.5%
$45–50k3.2%
$50–60k9.6%
$60–75k11.6%
$75–100k10.4%
$100–125k4.1%
$125–150k8.3%
$150–200k9.0%
$200k or more15.9%

Income as declared to the IRS

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

Tax returns filed6,480
Mean adjusted gross income$121,467
Returns declaring $200,000 or more15.7%
Returns, under $25k26.2%
Returns, $25k–$50k19.3%
Returns, $50k–$75k13.3%
Returns, $75k–$100k8.5%
Returns, $100k–$200k17.0%
Returns, $200k or more15.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$494,400
Median gross rent$1,545
Rent as a share of household income30.7%
Owner-occupied29.9%
Vacant homes16.6%
Median year built2011

What the homes are

Detached house26.9%
Attached house0.5%
2 to 4 units3.4%
5 to 19 units34.2%
20 or more units35%
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$596,260as of 2026-07
Typical home value, 1 yeardown 1.1%
Typical home value, 5 yearsup 19%
Typical home value, 10 yearsup 50.2%
Typical asking rent$1,557as of 2026-07
Typical asking rent, 1 yeardown 2.1%
Typical asking rent, 5 yearsdown 0.3%
Typical home value since 2000
200020132026$618,262$269,406

$272,285 in 2000 to $596,260 in 2026.

Typical asking rent
201820222026$1,706$1,386

$1,419 in 2018 to $1,557 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.1%
Bachelor's degree or higher58.5%
High school diploma or higher94.3%
Works from home11.9%
Drives to work alone72.3%
Takes public transport0.1%
Commutes 45 minutes or more6.6%
Health

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

Obesity29.2% 4.2 pts below the national average of 33.4%
Diagnosed diabetes9% 3 pts below the national average of 12%
Currently smokes9.7% 3.5 pts below the national average of 13.2%
High blood pressure26.4% 7.7 pts below the national average of 34.1%
Fair or poor general health16.7% 3.6 pts below the national average of 20.3%
No health insurance (18–64)15.3% 4 pts above the national average of 11.3%
Depression23.7% 1.8 pts above the national average of 21.9%
No leisure-time physical activity23.1% 2.3 pts below the national average of 25.4%
Arthritis16.9% 8.2 pts below the national average of 25.1%
Binge drinking18.7% 2.7 pts above the national average of 16%
Taking blood pressure medication66% 8.7 pts below the national average of 74.7%
Cancer (non-skin)4.6% 3.1 pts below the national average of 7.7%
Current asthma9.1% 1.3 pts below the national average of 10.4%
Coronary heart disease3.6% 2.6 pts below the national average of 6.2%
Routine check-up in past year70.2% 6.5 pts below the national average of 76.7%
Cholesterol screening81.5% 4.4 pts below the national average of 85.9%
Cognitive disability14.7% same as the national average of 14.8%
Colorectal screening61.6% 2.7 pts below the national average of 64.3%
COPD3.7% 2.9 pts below the national average of 6.6%
Visited a dentist59.8% 1.5 pts below the national average of 61.3%
Any disability26.7% 4 pts below the national average of 30.7%
Hearing disability4.6% 2.1 pts below the national average of 6.7%
High cholesterol28% 8.2 pts below the national average of 36.2%
Independent living disability7% 1.4 pts below the national average of 8.4%
Mammography use74.2% 1.7 pts below the national average of 75.9%
Poor mental health (14+ days)17.3% 0.5 pts above the national average of 16.8%
Mobility disability9.2% 4.8 pts below the national average of 14%
Poor physical health (14+ days)10.8% 2.7 pts below the national average of 13.5%
Self-care disability2.7% 1.3 pts below the national average of 4%
Sleeps under 7 hours39.5% 3.1 pts above the national average of 36.4%
Stroke2% 1.4 pts below the national average of 3.4%
All natural teeth lost7.6% 5.4 pts below the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments397
People employed8,134
Annual payroll$430,287,000
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 90.1% of US census tracts
FEMA ratingRelatively High
Expected annual loss86.1 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.

Hail98.9Very High at its worst in this ZIP code
Tornado96.8Very High at its worst in this ZIP code
River flooding96Very High at its worst in this ZIP code
Landslide91.6Relatively Moderate at its worst in this ZIP code
Heat wave90.3Relatively High at its worst in this ZIP code
Wildfire79.5Relatively Moderate at its worst in this ZIP code
Hurricane54Relatively Low at its worst in this ZIP code
Cold wave46.8Relatively Moderate at its worst in this ZIP code
Lightning43.9Relatively Low at its worst in this ZIP code
Winter weather39.7Relatively Low at its worst in this ZIP code
Strong wind29.1Relatively Low at its worst in this ZIP code
Ice storm21.9Very Low at its worst in this ZIP code
Earthquake6.6Very 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$72,797$76,292$78,538
Income per person$53,338$39,446$43,289
Poverty rate19.9%13.8%12.4%
Median home value$494,400$260,400$303,400
Median gross rent$1,545$1,339$1,348
Homeownership29.9%62.6%65%
Bachelor's degree or higher58.5%33.1%35%
Unemployment rate4.1%5.1%5.2%
Works from home11.9%12.8%13.5%
Born outside the US12.5%17.2%13.9%
Median age29.735.538.7
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 INTL AP, TX US15.9 km away
Rain in a year32 in
Snow in a year0 in

Average high and low by month

January63.3°F / 41°F1.96 in rain
February67.5°F / 45.1°F1.74 in rain, 0.1 in snow
March73.8°F / 51.8°F2.31 in rain
April80.3°F / 58.4°F2.42 in rain
May86.6°F / 66.4°F4.4 in rain
June92.4°F / 72.7°F3.28 in rain
July94.9°F / 74.7°F2.41 in rain
August96°F / 74.9°F2.15 in rain
September90.1°F / 69.6°F3.88 in rain
October82.2°F / 60.4°F3.75 in rain
November71.7°F / 49.8°F2.08 in rain
December64.7°F / 42.4°F2 in rain, 0.1 in snow
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 supermarket36% of this ZIP code's area
Far from a supermarket36% of this ZIP code's area
No vehicle and far from a supermarket36% 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%.

Northside 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 vulnerability49more vulnerable than 49% of US census tracts
Socioeconomic status45more vulnerable than 45% of US census tracts
Household characteristics28more vulnerable than 28% of US census tracts
Racial and ethnic minority status73more vulnerable than 73% of US census tracts
Housing type and transport61more vulnerable than 61% of US census tracts
Walkability8.7 out of 20Below average
Nearby ZIP codes

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

78257 San Antonio, TX3.8 km away
78249 San Antonio, TX6.3 km away
78255 San Antonio, TX8.4 km away
78231 San Antonio, TX9.6 km away
78248 San Antonio, TX10.6 km away
78230 San Antonio, TX11 km away
78240 San Antonio, TX11.2 km away
78023 Helotes, TX12.6 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.

Bexar County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area7.99 sq mi
Water area0.01 sq mi
Population density1,504 people per sq mi
Latitude, longitude29.6169, -98.6252

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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