Postal Codes

78257 ZIP Code

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ZIP code 78257 covers San Antonio, Texas, with a population of about 10,390 and a median household income of $74,540.

Population
10,390365 per square mile
Median age
35.13.6 points below the US average
Median household income
$74,540about the Texas median
Poverty rate
6.8%5.6 points below the US average
Typical home value
$933,510up 32.3% in five years
Median rent
$1,6781.3× the Texas median
Degree or higher
56.3%21.3 points above the US average
Homeownership
38.9%26.1 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
634

Where 78257 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

Population10,390
Median age35.1
Family households47.1%
Born outside the US21.5%
Speaks a language other than English at home44%
White (non-Hispanic)40%
Black (non-Hispanic)4.6%
Asian (non-Hispanic)6.7%
Hispanic or Latino47.1%
Veterans7.2%
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$74,540
Income per person$70,962
Poverty rate6.8%
Households on SNAP or cash assistance2.8%

Household income distribution

Under $10k4.3%
$10–15k1.4%
$15–20k1.1%
$20–25k1.3%
$25–30k6.2%
$30–35k1.4%
$35–40k3.4%
$40–45k4.7%
$45–50k1.2%
$50–60k8.4%
$60–75k17.1%
$75–100k14.3%
$100–125k6.0%
$125–150k10.6%
$150–200k5.0%
$200k or more13.7%

Income as declared to the IRS

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

Tax returns filed5,810
Mean adjusted gross income$208,983
Returns declaring $200,000 or more20.7%
Returns, under $25k21.3%
Returns, $25k–$50k21.3%
Returns, $50k–$75k14.5%
Returns, $75k–$100k7.7%
Returns, $100k–$200k14.5%
Returns, $200k or more20.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$542,300
Median gross rent$1,678
Rent as a share of household income28.9%
Owner-occupied38.9%
Vacant homes16%
Median year built2013

What the homes are

Detached house28.6%
Attached house0.6%
2 to 4 units7.2%
5 to 19 units12.2%
20 or more units47.4%
Mobile home4%
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$933,510as of 2026-07
Typical home value, 1 yearup 3.5%
Typical home value, 5 yearsup 32.3%
Typical home value, 10 yearsup 66.3%
Typical asking rent$1,371as of 2026-07
Typical asking rent, 1 yeardown 1.9%
Typical asking rent, 5 yearsdown 1.7%
Typical home value since 2000
200020132026$933,510$399,068

$399,068 in 2000 to $933,510 in 2026.

Typical asking rent
201820222026$1,528$1,262

$1,269 in 2018 to $1,371 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.5%
Bachelor's degree or higher56.3%
High school diploma or higher96.3%
Works from home13.6%
Drives to work alone78.9%
Takes public transport0%
Commutes 45 minutes or more12.6%
Health

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

Obesity27.7% 5.7 pts below the national average of 33.4%
Diagnosed diabetes8.7% 3.3 pts below the national average of 12%
Currently smokes7.7% 5.5 pts below the national average of 13.2%
High blood pressure26.3% 7.8 pts below the national average of 34.1%
Fair or poor general health13.4% 6.9 pts below the national average of 20.3%
No health insurance (18–64)12.8% 1.5 pts above the national average of 11.3%
Depression22.1% same as the national average of 21.9%
No leisure-time physical activity19.5% 5.9 pts below the national average of 25.4%
Arthritis17.5% 7.6 pts below the national average of 25.1%
Binge drinking19.3% 3.3 pts above the national average of 16%
Taking blood pressure medication69% 5.7 pts below the national average of 74.7%
Cancer (non-skin)5.4% 2.3 pts below the national average of 7.7%
Current asthma8.5% 1.9 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 year71.4% 5.3 pts below the national average of 76.7%
Cholesterol screening85.8% same as the national average of 85.9%
Cognitive disability11.5% 3.3 pts below the national average of 14.8%
Colorectal screening66.8% 2.5 pts above the national average of 64.3%
COPD3.1% 3.5 pts below the national average of 6.6%
Visited a dentist65.4% 4.1 pts above the national average of 61.3%
Any disability22.6% 8.1 pts below the national average of 30.7%
Hearing disability4.4% 2.3 pts below the national average of 6.7%
High cholesterol29.2% 7 pts below the national average of 36.2%
Independent living disability5.2% 3.2 pts below the national average of 8.4%
Mammography use76.9% 1 pts above the national average of 75.9%
Poor mental health (14+ days)14.9% 1.9 pts below the national average of 16.8%
Mobility disability8.1% 5.9 pts below the national average of 14%
Poor physical health (14+ days)9.6% 3.9 pts below the national average of 13.5%
Self-care disability2.2% 1.8 pts below the national average of 4%
Sleeps under 7 hours38.2% 1.8 pts above the national average of 36.4%
Stroke1.9% 1.5 pts below the national average of 3.4%
All natural teeth lost5.7% 7.3 pts below the national average of 13%
Vision disability3.4% 2.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments634
People employed12,979
Annual payroll$623,982,000
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 37.5% of US census tracts
FEMA ratingVery Low to Relatively High across the 6 census tracts this ZIP code covers
Expected annual loss38 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.

Wildfire61.6Relatively Moderate at its worst in this ZIP code
Hail52.5Very High at its worst in this ZIP code
Landslide51.4Relatively Moderate at its worst in this ZIP code
Tornado39.3Very High at its worst in this ZIP code
River flooding38.8Very High at its worst in this ZIP code
Heat wave36.6Relatively High at its worst in this ZIP code
Hurricane30.2Relatively Low at its worst in this ZIP code
Cold wave28.5Relatively Moderate at its worst in this ZIP code
Winter weather23Relatively Low at its worst in this ZIP code
Lightning18.1Relatively Moderate at its worst in this ZIP code
Strong wind13Relatively Low at its worst in this ZIP code
Ice storm10.2Very Low at its worst in this ZIP code
Earthquake3.2Very Low at its worst in this ZIP code
Drought0.3Very 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$74,540$76,292$78,538
Income per person$70,962$39,446$43,289
Poverty rate6.8%13.8%12.4%
Median home value$542,300$260,400$303,400
Median gross rent$1,678$1,339$1,348
Homeownership38.9%62.6%65%
Bachelor's degree or higher56.3%33.1%35%
Unemployment rate1.5%5.1%5.2%
Works from home13.6%12.8%13.5%
Born outside the US21.5%17.2%13.9%
Median age35.135.538.7
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 US17.2 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 supermarketNone of this ZIP code
Far from a supermarket37% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
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.

Northside Independent School District90.1% of this ZIP code's land area
North East Independent School District9.9% 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.

Walkability7.4 out of 20Below average
Nearby ZIP codes

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

78256 San Antonio, TX3.8 km away
78255 San Antonio, TX7.5 km away
78249 San Antonio, TX9.8 km away
78015 Boerne, TX10.5 km away
78231 San Antonio, TX11.1 km away
78248 San Antonio, TX11.2 km away
78258 San Antonio, TX11.3 km away
78230 San Antonio, TX13.5 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 area28.5 sq mi
Water area0.16 sq mi
Population density365 people per sq mi
Latitude, longitude29.6495, -98.6137

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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