Zip Code 78256 — San Antonio, TX

78256 is a ZIP Code associated with San Antonio, TX, located within Bexar. 78256 ranks #48 out of 70 ZIP codes in Bexar County by population (and #724 out of 1,990 in TX). The area supports an estimated population of 13,453 residents across Data Pending housing units, with a population density of 650.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (29.622720, -98.626200)

Data MetricLocal Statistic
Postal / Zip Code78256
Primary CitySan Antonio
State / ProvinceTX
CountyBexar
Total Population13,453
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density650.1 people/sq mi
TimezoneAmerica/Chicago

How 78256 Compares

MetricZIP 78256Bexar CountyTX State Average
Population13,4532,079,418 (Total)30,188,035 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density650.1 /sq mi----
County Pop Rank#48 of 70----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78255San Antonio2.9 mi17,379N/A
Zip 78257San Antonio3.3 mi10,992N/A
Zip 78249San Antonio3.9 mi63,439N/A
Zip 78231San Antonio5.7 mi9,744N/A
Zip 78248San Antonio6.5 mi14,488N/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 →