ZIP code · Austin · Texas · United States
ZIP code 78703 — Austin
ZIP code 78703 serves Austin, Texas.
- Postal code
- 78703Single source Value from one source, not cross-checked.
- City
- Austin
- County
- Travis FIPS 48453
- State
- Texas
- Country
- United States
- Coordinates
- 30.2907, -97.7648 — precision precise (locality)
View on OpenStreetMap - Population
- 22,484 (ZCTA, ACS 5-year)
- Population density
- 4,000 / sq mi
- Land area
- 5.6 sq mi (14.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $144,637
- Per-capita income
- $125,826
- Median age
- 40.9
- Households
- 11,497
- Housing units
- 12,237
- Median home value
- $1,353,500
- Median gross rent
- $2,217 / month
- Congressional district
- TX-37 (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 78703 with another ZIP · ZIPs within 25 miles · distance from 78703
Map of ZIP code 78703
Climate — monthly normals
Warmest month Aug (avg high 98°F), coldest Jan (avg low 42°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 67 | 73 | 80 | 87 | 93 | 97 | 98 | 91 | 83 | 72 | 64 |
| Avg low °F | 42 | 46 | 52 | 59 | 67 | 73 | 75 | 75 | 70 | 61 | 51 | 43 |
| Precip in | 2.6 | 1.9 | 2.9 | 2.4 | 5.0 | 3.7 | 2.0 | 2.7 | 3.5 | 3.9 | 2.9 | 2.7 |
NOAA 1991–2020 climate normals from the nearest station: AUSTIN-CAMP MABRY (2.1 mi) · NOAA NCEI
Places in ZIP 78703
- 9 schools
- 2 hospitals & clinics
- 6 doctors & dentists
- 2 pharmacies
- 7 supermarkets
- 59 restaurants & cafés
- 8 bars & pubs
- 19 parks
- 12 playgrounds
- 11 gyms & sports centres
- 1 libraries
- 2 post offices
- 6 places of worship
- 1 banks
- 6 gas stations
- 16 EV charging stations
- 6 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