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Zip Code 78209 — San Antonio, TX

ZIP Code 78209 is associated with San Antonio, TX, in Bexar County. The listed population estimate is 43,400; estimated density is 1,647.5 people per square mile. Among records with population estimates, it ranks #16 of 69 in Bexar County and #203 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (29.488990, -98.456750)

Data MetricLocal Statistic
Postal / Zip Code78209
Primary CitySan Antonio
State / ProvinceTX
CountyBexar
Total Population43,400
Population Density1,647.5 people/sq mi
TimezoneAmerica/Chicago

How 78209 Compares

MetricZIP 78209Bexar County recordsTX records
Population estimate43,4002,079,418 (sum)30,188,035 (sum)
Population Density1,647.5 /sq mi----
County population rank#16 of 69----
State population rank#203 of 1,924----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in TX

ZIP CodeCityDistancePopulation estimate
ZIP 78234Jbsa Ft Sam Houston2.3 mi7,149
ZIP 78212San Antonio2.7 mi27,437
ZIP 78208San Antonio3.4 mi3,861
ZIP 78218San Antonio3.5 mi39,428
ZIP 78215San Antonio3.6 mi3,506

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 →