ZIP code · San Antonio · Texas · United States
ZIP code 78266 — San Antonio
ZIP code 78266 serves San Antonio, Texas.
- Postal code
- 78266Single source Value from one source, not cross-checked.
- City
- San Antonio
- County
- Comal FIPS 48091
- State
- Texas
- Country
- United States
- Coordinates
- 29.6643, -98.3118 — precision precise (locality)
View on OpenStreetMap - Population
- 7,274 (ZCTA, ACS 5-year)
- Population density
- 183 / sq mi
- Land area
- 39.7 sq mi (102.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $132,470
- Per-capita income
- $62,300
- Median age
- 48.1
- Households
- 2,652
- Housing units
- 2,824
- Median home value
- $553,200
- Median gross rent
- $2,282 / month
- Congressional district
- TX-21 (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 78266 with another ZIP · ZIPs within 25 miles · distance from 78266
Map of ZIP code 78266
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 | 73 | 80 | 87 | 92 | 96 | 96 | 90 | 84 | 72 | 64 |
| Avg low °F | 41 | 45 | 51 | 58 | 66 | 71 | 73 | 73 | 68 | 59 | 49 | 42 |
NOAA 1991–2020 climate normals from the nearest station: RANDOLPH AFB (8.6 mi) · NOAA NCEI
Places in ZIP 78266
- 5 schools
- 6 restaurants & cafés
- 5 parks
- 5 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 6 places of worship
- 1 banks
- 1 gas stations
- 2 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