Zip Code 78220 — San Antonio, TX

ZIP Code 78220 is associated with San Antonio, TX, in Bexar County. The listed population estimate is 19,423; estimated density is 971.3 people per square mile. Among records with population estimates, it ranks #44 of 69 in Bexar County and #591 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (29.413080, -98.401520)

Data MetricLocal Statistic
Postal / Zip Code78220
Primary CitySan Antonio
State / ProvinceTX
CountyBexar
Total Population19,423
Population Density971.3 people/sq mi
TimezoneAmerica/Chicago

How 78220 Compares

MetricZIP 78220Bexar County recordsTX records
Population estimate19,4232,079,418 (sum)30,188,035 (sum)
Population Density971.3 /sq mi----
County population rank#44 of 69----
State population rank#591 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 78219San Antonio2.2 mi17,924
ZIP 78222San Antonio3.3 mi26,476
ZIP 78203San Antonio3.5 mi5,200
ZIP 78202San Antonio3.7 mi10,224
ZIP 78208San Antonio3.9 mi3,861

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 →