Home > TX > Bexar County > San Antonio > Zip 78237

Zip Code 78237 — San Antonio, TX

78237 is a ZIP Code associated with San Antonio, TX, located within Bexar. 78237 ranks #26 out of 70 ZIP codes in Bexar County by population (and #268 out of 1,990 in TX). The area supports an estimated population of 37,379 residents across Data Pending housing units, with a population density of 2,025.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (29.420790, -98.568320)

Data MetricLocal Statistic
Postal / Zip Code78237
Primary CitySan Antonio
State / ProvinceTX
CountyBexar
Total Population37,379
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2,025.7 people/sq mi
TimezoneAmerica/Chicago

How 78237 Compares

MetricZIP 78237Bexar CountyTX State Average
Population37,3792,079,418 (Total)30,188,035 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density2,025.7 /sq mi----
County Pop Rank#26 of 70----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78226San Antonio2.5 mi6,554N/A
Zip 78207San Antonio2.6 mi55,474N/A
Zip 78228San Antonio2.8 mi56,165N/A
Zip 78225San Antonio3.4 mi13,104N/A
Zip 78243San Antonio3.7 mi232N/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 →