ZIP code · San Antonio · Texas · United States
ZIP code 78256 — San Antonio
ZIP code 78256 serves San Antonio, Texas.
- Postal code
- 78256Single source Value from one source, not cross-checked.
- City
- San Antonio
- County
- Bexar FIPS 48029
- State
- Texas
- Country
- United States
- Coordinates
- 29.6169, -98.6252 — precision precise (locality)
View on OpenStreetMap - Population
- 12,014 (ZCTA, ACS 5-year)
- Population density
- 1,504 / sq mi
- Land area
- 8 sq mi (20.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $72,797
- Per-capita income
- $53,338
- Median age
- 29.7
- Households
- 5,498
- Housing units
- 6,592
- Median home value
- $494,400
- Median gross rent
- $1,545 / month
- Congressional districts
- TX-23 (also TX-20) (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
Tools: compare 78256 with another ZIP · ZIPs within 25 miles · distance from 78256
Map of ZIP code 78256
Climate — monthly normals
Warmest month Aug (avg high 96°F), coldest Jan (avg low 41°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 68 | 74 | 80 | 87 | 92 | 95 | 96 | 90 | 82 | 72 | 65 |
| Avg low °F | 41 | 45 | 52 | 58 | 66 | 73 | 75 | 75 | 70 | 60 | 50 | 42 |
| Precip in | 2.0 | 1.7 | 2.3 | 2.4 | 4.4 | 3.3 | 2.4 | 2.1 | 3.9 | 3.8 | 2.1 | 2.0 |
NOAA 1991–2020 climate normals from the nearest station: SAN ANTONIO INTL AP (9.9 mi) · NOAA NCEI
Places in ZIP 78256
- 4 schools
- 2 hospitals & clinics
- 1 pharmacies
- 66 restaurants & cafés
- 5 bars & pubs
- 9 parks
- 5 playgrounds
- 3 gyms & sports centres
- 1 places of worship
- 3 banks
- 2 gas stations
- 2 EV charging stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page