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San Antonio city, TX

ZIP Code 78245 — San Antonio city, TX Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLarge CommunityLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
91,388
Median Income
$87,890
+17% vs US avg
Home Value
$241,500
-31% vs US avg
Median Rent
$1,358
+17% vs US avg
Median Age
32.0 yrs
-18% vs US avg
Area Code
Congress
Top Ancestry
GermanAmericanEnglish
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Location
Coordinates
29.4001, -98.7306
Elevation
940 ft
Land Area
33.2 sq mi
Water Area
0.1 sq mi (0% water)

At a glance

Population
91,388
Density
N/A
Median income
$87,890
+17% vs US avg
Home value
$241,500
-31% vs US avg
Median rent
$1,358
+17% vs US avg
Timezone

Overview of ZIP Code 78245

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What to know about ZIP 78245

ZIP code 78245 covers San Antonio, TX in Bexar County with a population of about 91,388.

At a glance, the area shows median age of 32.0 versus a U.S. median of about 38.9.

It sits in telephone area codes 210, 726; U.S. House district TX-23; the SAN ANTONIO media market.

Income and economy in San Antonio, TX

Median household income in ZIP 78245 is about $87,890 — about 17% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 9.3%; unemployment rate near 5.5%; 25.7% of adults with a bachelor’s degree or higher (about 8.0 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Healthcare, and Education; about 11.4% of workers reporting work-from-home (about 3.8 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 78245

Median home value is about $241,500 — about 31% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,358 (about 17% above the U.S. median rent ($1,163)), and owner-occupancy near 72.4% (about 7.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 78245 in San Antonio, TX, a household would need roughly $66,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,551. That sits below the local median household income ($87,890), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for San Antonio city, TX as Relatively High (composite score 99.4), which is among the highest nationally. The strongest component scores on US5 are flood (99.7) and wildfire (92.4). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for San Antonio city, TX show little to no average snow and around 31.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 4,311 for ZIP 78245 (San Antonio city, TX) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport SKF (9.1 miles (14.6 km)) · Northwest Vista College (5.2 miles (8.3 km)) · San Antonio Missions National Historical Park (19.1 miles (30.8 km)) · VA: San Antonio NW Vet Center (9.7 miles (15.7 km))

Full lists and map pins are in the Infrastructure section below.