Home > TX > Williamson County > Hutto > Zip 78634

Zip Code 78634 — Hutto, TX

78634 is a ZIP Code associated with Hutto, TX, located within Williamson. The postal region supports an estimated population of 46,413 residents across Data Pending housing units, with a population density of 317.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.560000, -97.544040)

Data MetricLocal Statistic
Postal / Zip Code78634
Primary CityHutto
State / ProvinceTX
CountyWilliamson
Total Population46,413
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density317.8 people/sq mi
TimezoneAmerica/Chicago

How 78634 Compares

MetricZIP 78634Williamson CountyTX State Average
Population46,413591,18730,188,035
Median IncomeData PendingN/AN/A
Population Density317.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78665Round Rock5.6 mi66,171N/A
Zip 78664Round Rock7.2 mi62,060N/A
Zip 78626Georgetown8.1 mi48,072N/A
Zip 78674Weir8.4 mi108N/A
Zip 78660Pflugerville8.6 mi124,834N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →