Home > TX > Hays County > Austin > Zip 78737

Zip Code 78737 — Austin, TX

78737 is a ZIP Code associated with Austin, TX, located within Hays. The postal region supports an estimated population of 27,023 residents across Data Pending housing units, with a population density of 286.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.189350, -97.960590)

Data MetricLocal Statistic
Postal / Zip Code78737
Primary CityAustin
State / ProvinceTX
CountyHays
Total Population27,023
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density286.4 people/sq mi
TimezoneAmerica/Chicago

How 78737 Compares

MetricZIP 78737Hays CountyTX State Average
Population27,023286,83130,188,035
Median IncomeData PendingN/AN/A
Population Density286.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78736Austin4.1 mi9,651N/A
Zip 78739Austin4.3 mi20,659N/A
Zip 78749Austin6.4 mi34,562N/A
Zip 78619Driftwood6.8 mi6,693N/A
Zip 78652Manchaca7.1 mi5,287N/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 →