ZIP code · Austin · Texas · United States
ZIP code 78739 — Austin
ZIP code 78739 serves Austin, Texas.
- Postal code
- 78739Single source Value from one source, not cross-checked.
- City
- Austin
- County
- Travis FIPS 48453
- State
- Texas
- Country
- United States
- Coordinates
- 30.1720, -97.8784 — precision precise (locality)
View on OpenStreetMap - Population
- 20,850 (ZCTA, ACS 5-year)
- Population density
- 1,799 / sq mi
- Land area
- 11.6 sq mi (30 km²) (ZCTA, ACS 5-year)
- Median household income
- $222,552
- Per-capita income
- $85,714
- Median age
- 40.2
- Households
- 7,047
- Housing units
- 7,127
- Median home value
- $699,400
- Median gross rent
- $3,387 / month
- Congressional districts
- TX-37 (also 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 78739 with another ZIP · ZIPs within 25 miles · distance from 78739
Map of ZIP code 78739
Climate — monthly normals
Warmest month Aug (avg high 95°F), coldest Jan (avg low 39°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 60 | 65 | 72 | 79 | 85 | 91 | 94 | 95 | 89 | 80 | 69 | 61 |
| Avg low °F | 39 | 43 | 49 | 56 | 64 | 70 | 72 | 72 | 66 | 58 | 48 | 41 |
| Precip in | 2.6 | 2.1 | 2.9 | 2.6 | 4.3 | 3.7 | 2.1 | 2.1 | 3.6 | 4.0 | 2.9 | 2.7 |
NOAA 1991–2020 climate normals from the nearest station: DRIPPING SPRINGS 6 E (7.3 mi) · NOAA NCEI
Places in ZIP 78739
- 8 schools
- 1 colleges & universities
- 1 pharmacies
- 1 restaurants & cafés
- 11 parks
- 14 playgrounds
- 4 gyms & sports centres
- 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