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Zip Code 78233 — San Antonio, TX

78233 is a ZIP Code associated with San Antonio, TX, located within Bexar. The postal region supports an estimated population of 48,911 residents across Data Pending housing units, with a population density of 1,381.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (29.554830, -98.363230)

Data MetricLocal Statistic
Postal / Zip Code78233
Primary CitySan Antonio
State / ProvinceTX
CountyBexar
Total Population48,911
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,381.4 people/sq mi
TimezoneAmerica/Chicago

How 78233 Compares

MetricZIP 78233Bexar CountyTX State Average
Population48,9112,079,41830,188,035
Median IncomeData PendingN/AN/A
Population Density1,381.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78239San Antonio2.6 mi28,609N/A
Zip 78247San Antonio3.4 mi51,933N/A
Zip 78217San Antonio3.6 mi34,055N/A
Zip 78148Universal City4.1 mi22,187N/A
Zip 78218San Antonio4.8 mi39,428N/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 →