ZIP Code 78203

ZIP code 78203 is classified by USPS as a standard delivery area and covers roughly 3.3 square miles in San Antonio, Bexar County, Texas. The area is home to 6,099 residents, producing a population density of 1,832 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 78203 against Texas and the nation.

On the economic side, the median household income for ZIP 78203 sits at $35,536 (53% below the Texas average), while per-capita income is $18,976. The poverty rate stands at 39.1% and the unemployment rate at 6.2%. On housing, the median home value is $158,000 (36% below the state average) with median rent at $1,051 per month, and 45.1% of occupied units are owner-occupied, a direct signal of whether 78203 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 10.8% of adults hold a bachelor's degree or higher, the median age is 33.4, and the average commute is 22 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Bexar County, so you can benchmark 78203 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →