ZIP Code 78231, Texas
ZIP Code 78231 profile, demographic data, and geographic information.
ZCTA5 78231 is a 5-digit ZIP Code area located in Bexar County, Texas. As of official census estimates, it has a reported population of 9,744. The land area covers 4.09 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 9,744 | ±1,117 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 41.2 yrs | ±4 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 3,978 | ±386 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 4,083 | ±381 |
| Occupied Housing Units | 3,978 | ±386 |
| Vacant Housing Units | 105 | ±114 |
| Median Home Value | $401,800 | ±$32,992 |
| Median Gross Rent | $1,393 | ±$176 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $109,183 | ±$12,628 |
| Per Capita Income | $57,828 | ±$5,242 |
| Poverty Rate | 5.8% | ±3.2% |
| Population Below Poverty Level | 565 | ±319 |
| Unemployment Rate | 2.7% | ±2% |
| Civilian Labor Force, Employed | 5,063 | ±804 |
| Broadband Internet Rate | 94.2% | ±4.7% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 2,127,737 (2024)
ID: 175853
|
County | Official County Government |
Contact: COUNTY JUDGE
203 W NUEVA ST, SUITE 200, SAN ANTONIO TX 78207-4505
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | 06-08 | SAN ANTONIO, TX | |
| Alternative School Nearby | 11-12 | SAN ANTONIO, TX | |
| Regular School Nearby | PK-05 | SAN ANTONIO, TX | |
| Regular School Nearby | PK-12 | SAN ANTONIO, TX | |
| Regular School Nearby | 03-08 | SAN ANTONIO, TX | |
| Regular School Nearby | 09-12 | SAN ANTONIO, TX | |
| Regular School Nearby | 06-08 | SAN ANTONIO, TX | |
| Regular School Nearby | PK-05 | SAN ANTONIO, TX | |
| Regular School Nearby | PK-05 | SAN ANTONIO, TX | |
| Alternative School Nearby | 09-12 | SAN ANTONIO, TX |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Salon Professional Academy of San Antonio
|
College Vocational | 4.4 mi away | 16640 San Pedro Avenue, San Antonio, TX, 78232-2242 |
2105608772
|
|
CODY BRANCH LIBRARY
|
Library | 2.7 mi away | 11441 VANCE JACKSON RD, SAN ANTONIO, TX, 78230 |
(210) 207-9100
|
|
Baptist Health System School of Health Professions
|
College | 4.7 mi away | 8400 Datapoint Dr, San Antonio, TX, 78229 |
2102979636
|
|
PARMAN LIBRARY
|
Library | 4.2 mi away | 20735 WILDERNESS OAK, SAN ANTONIO, TX, 78258 |
(210) 207-2703
|
|
The University of Texas at San Antonio
|
College | 4.7 mi away | One UTSA Circle, San Antonio, TX, 78249-1644 |
2104584011
|
|
BROOK HOLLOW BRANCH LIBRARY
|
Library | 4.2 mi away | 530 HEIMER RD, SAN ANTONIO, TX, 78232 |
(210) 207-9030
|
|
Ogle School Hair Skin Nails-San Antonio
|
College Vocational | 4.9 mi away | 742 N. Loop 410 Ste 226, San Antonio, TX, 78216 |
2104240555
|
|
IGO BRANCH LIBRARY
|
Library | 6.2 mi away | 13330 KYLE SEALE PKWY, SAN ANTONIO, TX, 78249 |
(210) 207-9080
|
|
Paul Mitchell the School-San Antonio
|
College Vocational | 5.0 mi away | 18402 US Highway 281, Suite 124, San Antonio, TX, 78259 |
21052383335104
|
|
WESTFALL BRANCH LIBRARY
|
Library | 6.6 mi away | 6111 ROSEDALE CT, SAN ANTONIO, TX, 78201 |
(210) 207-9220
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at SAN ANTONIO INTL AP, TX US, located 4.3 miles from ZCTA5 78231. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 63.3° | 41.0° | 52.2° | 1.96" | 0.0" |
| February | 67.5° | 45.1° | 56.3° | 1.74" | 0.1" |
| March | 73.8° | 51.8° | 62.8° | 2.31" | 0.0" |
| April | 80.3° | 58.4° | 69.4° | 2.42" | 0.0" |
| May | 86.6° | 66.4° | 76.5° | 4.40" | 0.0" |
| June | 92.4° | 72.7° | 82.6° | 3.28" | 0.0" |
| July | 94.9° | 74.7° | 84.8° | 2.41" | 0.0" |
| August | 96.0° | 74.9° | 85.5° | 2.15" | 0.0" |
| September | 90.1° | 69.6° | 79.9° | 3.88" | 0.0" |
| October | 82.2° | 60.4° | 71.3° | 3.75" | 0.0" |
| November | 71.7° | 49.8° | 60.7° | 2.08" | 0.0" |
| December | 64.7° | 42.4° | 53.5° | 2.00" | 0.1" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Shavano Park city | City | 0.9 mi | — |
| Hill Country Village city | City | 3.4 mi | — |
| Hollywood Park town | Town | 3.6 mi | — |
| Castle Hills city | City | 4.1 mi | — |
| Balcones Heights city | City | 6.3 mi | — |
| Leon Valley city | City | 7.3 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 78231. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.