Postal Codes

78251 ZIP Code

Advertisement

English Español

ZIP code 78251 covers San Antonio, Texas, with a population of about 61,683 and a median household income of $78,025.

Population
61,6834,117 per square mile
Median age
32.26.5 points below the US average
Median household income
$78,025about the Texas median
Poverty rate
8.6%3.8 points below the US average
Typical home value
$263,084up 9.6% in five years
Median rent
$1,371about the Texas median
Degree or higher
33.3%1.7 points below the US average
Homeownership
51.6%13.4 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
944

Where 78251 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

Population61,683
Median age32.2
Family households66.7%
Born outside the US9.2%
Speaks a language other than English at home32%
White (non-Hispanic)21.7%
Black (non-Hispanic)10.2%
Asian (non-Hispanic)3.3%
Hispanic or Latino61%
Veterans11.6%
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$78,025
Income per person$35,747
Poverty rate8.6%
Households on SNAP or cash assistance10.3%

Household income distribution

Under $10k2.9%
$10–15k2.1%
$15–20k1.4%
$20–25k3.5%
$25–30k2.8%
$30–35k3.8%
$35–40k4.4%
$40–45k4.2%
$45–50k4.1%
$50–60k7.1%
$60–75k11.0%
$75–100k15.8%
$100–125k9.5%
$125–150k8.8%
$150–200k10.2%
$200k or more8.3%

Income as declared to the IRS

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

Tax returns filed26,810
Mean adjusted gross income$58,283
Returns declaring $200,000 or more2.2%
Returns, under $25k28.0%
Returns, $25k–$50k29.2%
Returns, $50k–$75k17.4%
Returns, $75k–$100k9.5%
Returns, $100k–$200k13.5%
Returns, $200k or more2.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$243,900
Median gross rent$1,371
Rent as a share of household income30.4%
Owner-occupied51.6%
Vacant homes4.3%
Median year built2002

What the homes are

Detached house57.8%
Attached house0.9%
2 to 4 units7.9%
5 to 19 units20.8%
20 or more units12.4%
Mobile home0.1%
Boat, RV or van0.1%
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$263,084as of 2026-07
Typical home value, 1 yeardown 1.4%
Typical home value, 5 yearsup 9.6%
Typical home value, 10 yearsup 56.5%
Typical asking rent$1,207as of 2026-07
Typical asking rent, 1 yeardown 1.5%
Typical asking rent, 5 yearsup 3.9%
Typical asking rent, 10 yearsup 25.3%
Typical home value since 2000
200020132026$288,773$111,341

$114,000 in 2000 to $263,084 in 2026.

Typical asking rent
201520202026$1,311$932

$932 in 2015 to $1,207 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.3%
Bachelor's degree or higher33.3%
High school diploma or higher91.7%
Works from home13.2%
Drives to work alone71.4%
Takes public transport0.6%
Commutes 45 minutes or more14.2%
Health

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

Obesity32.9% 0.5 pts below the national average of 33.4%
Diagnosed diabetes11.8% same as the national average of 12%
Currently smokes10.6% 2.6 pts below the national average of 13.2%
High blood pressure29.7% 4.4 pts below the national average of 34.1%
Fair or poor general health19.7% 0.6 pts below the national average of 20.3%
No health insurance (18–64)19.8% 8.5 pts above the national average of 11.3%
Depression22.1% same as the national average of 21.9%
No leisure-time physical activity27.3% 1.9 pts above the national average of 25.4%
Arthritis18.8% 6.3 pts below the national average of 25.1%
Binge drinking17.7% 1.7 pts above the national average of 16%
Taking blood pressure medication69.7% 5 pts below the national average of 74.7%
Cancer (non-skin)4.5% 3.2 pts below the national average of 7.7%
Current asthma9% 1.4 pts below the national average of 10.4%
Coronary heart disease4.1% 2.1 pts below the national average of 6.2%
Routine check-up in past year71.1% 5.6 pts below the national average of 76.7%
Cholesterol screening83.8% 2.1 pts below the national average of 85.9%
Cognitive disability14.8% same as the national average of 14.8%
Colorectal screening60.8% 3.5 pts below the national average of 64.3%
COPD3.9% 2.7 pts below the national average of 6.6%
Visited a dentist58.6% 2.7 pts below the national average of 61.3%
Any disability28.6% 2.1 pts below the national average of 30.7%
Hearing disability4.9% 1.8 pts below the national average of 6.7%
High cholesterol30.4% 5.8 pts below the national average of 36.2%
Independent living disability7.2% 1.2 pts below the national average of 8.4%
Mammography use75.2% 0.7 pts below the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability11.6% 2.4 pts below the national average of 14%
Poor physical health (14+ days)12.3% 1.2 pts below the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Sleeps under 7 hours41.2% 4.8 pts above the national average of 36.4%
Stroke2.4% 1 pts below the national average of 3.4%
All natural teeth lost9% 4 pts below the national average of 13%
Vision disability5.5% same as the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments944
People employed31,928
Annual payroll$1,435,096,000
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 70.9% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 16 census tracts this ZIP code covers
Expected annual loss74 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.

Hail96.7Very High at its worst in this ZIP code
Tornado90.5Very High at its worst in this ZIP code
Heat wave84Relatively High at its worst in this ZIP code
River flooding78.6Very High at its worst in this ZIP code
Wildfire64.6Relatively Low at its worst in this ZIP code
Hurricane50.7Relatively Low at its worst in this ZIP code
Landslide42.4Very Low at its worst in this ZIP code
Cold wave39.3Relatively Low at its worst in this ZIP code
Lightning34.7Relatively Low at its worst in this ZIP code
Winter weather33.5Relatively Low at its worst in this ZIP code
Strong wind22.4Relatively Low at its worst in this ZIP code
Ice storm15Very Low at its worst in this ZIP code
Drought9.2Very Low at its worst in this ZIP code
Earthquake6.4Very 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$78,025$76,292$78,538
Income per person$35,747$39,446$43,289
Poverty rate8.6%13.8%12.4%
Median home value$243,900$260,400$303,400
Median gross rent$1,371$1,339$1,348
Homeownership51.6%62.6%65%
Bachelor's degree or higher33.3%33.1%35%
Unemployment rate7.3%5.1%5.2%
Works from home13.2%12.8%13.5%
Born outside the US9.2%17.2%13.9%
Median age32.235.538.7
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/SEAWORLD, TX US4.7 km away
Rain in a year32 in

Average high and low by month

January65.1°F / 42.6°F2.01 in rain
February69.7°F / 46.4°F1.84 in rain
March76°F / 52.9°F2.3 in rain
April83.3°F / 59.5°F2.43 in rain
May89.1°F / 67.1°F4.02 in rain
June94.8°F / 72.6°F3.4 in rain
July97.1°F / 74.4°F2.35 in rain
August98.5°F / 74.4°F2.52 in rain
September92.7°F / 70.2°F3.14 in rain
October84.5°F / 61.7°F3.81 in rain
November74.3°F / 51.1°F1.9 in rain
December65.7°F / 44.4°F1.89 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 supermarketNone of this ZIP code
Far from a supermarket78% of this ZIP code's area
No vehicle and far from a supermarket3% 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 vulnerability47more vulnerable than 47% of US census tracts
Socioeconomic status53more vulnerable than 53% of US census tracts
Household characteristics43more vulnerable than 43% of US census tracts
Racial and ethnic minority status85more vulnerable than 85% of US census tracts
Housing type and transport32more vulnerable than 32% of US census tracts
Walkability10.6 out of 20Above average
Nearby ZIP codes

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

78238 San Antonio, TX3.9 km away
78250 San Antonio, TX5.2 km away
78245 San Antonio, TX5.6 km away
78227 San Antonio, TX6.4 km away
78228 San Antonio, TX8.3 km away
78240 San Antonio, TX8.5 km away
78253 San Antonio, TX8.9 km away
78229 San Antonio, TX9.7 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 area14.98 sq mi
Water area0.03 sq mi
Population density4,117 people per sq mi
Latitude, longitude29.4597, -98.6555

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.

Advertisement