ZIP code · San Antonio · Texas · United States

ZIP code 78245 — San Antonio

ZIP code 78245 serves San Antonio, Texas.

Postal code
78245
Single source Value from one source, not cross-checked.
City
San Antonio
County
Bexar FIPS 48029
State
Texas
Country
United States
Coordinates
29.4189, -98.6895 — precision precise (locality)
View on OpenStreetMap
Population
91,388 (ZCTA, ACS 5-year)
Population density
2,593 / sq mi
Land area
35.2 sq mi (91.3 km²) (ZCTA, ACS 5-year)
Median household income
$87,890
Per-capita income
$33,270
Median age
32
Households
30,429
Housing units
32,219
Median home value
$241,500
Median gross rent
$1,563 / 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)
Area codes
210, 726, 830
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Aug (avg high 99°F), coldest Jan (avg low 43°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F657076838995979993857466
Avg low °F434653606773747470625144
Precip in2.01.82.32.44.03.42.42.53.13.81.91.9

NOAA 1991–2020 climate normals from the nearest station: SAN ANTONIO/SEAWORLD (2.4 mi) · NOAA NCEI

Places in ZIP 78245

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