ZIP code · Hutto · Texas · United States
ZIP code 78634 — Hutto
ZIP code 78634 serves Hutto, Texas.
- Postal code
- 78634Single source Value from one source, not cross-checked.
- City
- Hutto
- County
- Williamson FIPS 48491
- State
- Texas
- Country
- United States
- Coordinates
- 30.5257, -97.5672 — precision precise (locality)
View on OpenStreetMap - Population
- 43,466 (ZCTA, ACS 5-year)
- Population density
- 771 / sq mi
- Land area
- 56.4 sq mi (146 km²) (ZCTA, ACS 5-year)
- Median household income
- $111,227
- Per-capita income
- $42,690
- Median age
- 35.6
- Households
- 14,942
- Housing units
- 15,322
- Median home value
- $334,200
- Median gross rent
- $2,024 / month
- Congressional districts
- TX-31 (also TX-17) (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 78634 with another ZIP · ZIPs within 25 miles · distance from 78634
Map of ZIP code 78634
Climate — monthly normals
Warmest month Aug (avg high 97°F), coldest Jan (avg low 37°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 61 | 64 | 71 | 78 | 85 | 92 | 95 | 97 | 91 | 82 | 70 | 62 |
| Avg low °F | 37 | 41 | 48 | 55 | 64 | 71 | 73 | 73 | 67 | 56 | 46 | 39 |
| Precip in | 2.8 | 2.1 | 3.1 | 2.6 | 4.6 | 3.2 | 2.6 | 2.7 | 3.6 | 3.9 | 2.8 | 3.0 |
NOAA 1991–2020 climate normals from the nearest station: TAYLOR 1NW (9.9 mi) · NOAA NCEI
Places in ZIP 78634
- 13 schools
- 3 colleges & universities
- 4 hospitals & clinics
- 11 doctors & dentists
- 3 pharmacies
- 1 supermarkets
- 39 restaurants & cafés
- 1 bars & pubs
- 28 parks
- 30 playgrounds
- 10 gyms & sports centres
- 2 post offices
- 9 places of worship
- 5 banks
- 19 gas stations
- 2 EV charging 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