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ZIP code 78203: San Antonio, TX

78203 is a ZIP code in San Antonio, Texas, mainly in Bexar County, part of the San Antonio-New Braunfels, TX metro area. About 5,200 people live here.

Population
5,200
Median household income
$35,536
Typical home value
$156,400-2.3% in 12 months
Median rent
$1,051gross, per month
Median age
33.4
Homeowners
45.1%of occupied homes
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Shaded: ZIP code 78203's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 78203 details

CitySan Antonio
StateTexas
CountyBexar County
Metro areaSan Antonio-New Braunfels, TX
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area1.4 sq mi
Population density3,796 people per sq mi
Bachelor's degree or higher10.8% of adults 25+
Average commute22.1 minutes
Center coordinates29.41512, -98.45933

Median rent in 78203 by bedrooms

SizeMedian gross rent
Studio$784/mo
1 bedroom$570/mo
2 bedrooms$1,123/mo
3 bedrooms$1,278/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 78203

ZIP codeCityDistancePopulation
78202San Antonio, TX0.9 mi10,224
78210San Antonio, TX1.4 mi34,940
78294San Antonio, TX1.6 mi—
78293San Antonio, TX1.6 mi—
78241San Antonio, TX1.6 mi—
78279San Antonio, TX1.6 mi—
78292San Antonio, TX1.6 mi—
78206San Antonio, TX1.6 mi—

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 78203?

A typical home in ZIP code 78203 is worth about $156,400 (Zillow Home Value Index). The median household here earns $35,536 a year. See what buying here would cost per month, with Texas average taxes and insurance filled in.

Monthly payment for a $156,400 homeWhat can a $35,536 income afford?Rental property numbers

About ZIP code 78203

What city is ZIP code 78203?

ZIP code 78203 is in San Antonio, TX, in Bexar County.

What county is ZIP code 78203 in?

78203 is mainly in Bexar County, Texas.

What is the population of ZIP code 78203?

About 5,200 people live in ZIP code 78203, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 78203 in?

78203 is in Central Time (UTC−6). It observes daylight saving time.

What other ZIP codes does San Antonio have?

San Antonio, TX also uses 78201, 78202, 78204, 78205, 78206, 78207, 78208, 78209, 78210, 78211, 78212, 78213, 78214, 78215, 78216, 78217, 78218, 78219, 78220, 78221, 78222, 78223, 78224, 78225, 78226, 78227, 78228, 78229, 78230, 78231, 78232, 78233, 78235, 78237, 78238, 78239, 78240, 78241, 78242, 78243, 78244, 78245, 78246, 78247, 78248, 78249, 78250, 78251, 78252, 78253, 78254, 78255, 78256, 78257, 78258, 78259, 78260, 78261, 78263, 78264, 78265, 78266, 78268, 78269, 78270, 78278, 78279, 78280, 78283, 78284, 78285, 78288, 78289, 78291, 78292, 78293, 78294, 78295, 78296, 78297, 78298 and 78299.