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San Antonio city, TX

ZIP Code 78256 — San Antonio city, TX Demographics & Data

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

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
12,014
Median Income
$72,797
-3% vs US avg
Home Value
$494,400
+42% vs US avg
Median Rent
$1,446
+24% vs US avg
Median Age
29.7 yrs
-24% vs US avg
Area Code
Congress
Top Ancestry
EnglishGermanIrish
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Location
Coordinates
29.6223, -98.6262
Elevation
789 ft
Land Area
8.7 sq mi
Water Area
0.0 sq mi (0% water)

At a glance

Population
12,014
Density
N/A
Median income
$72,797
-3% vs US avg
Home value
$494,400
+42% vs US avg
Median rent
$1,446
+24% vs US avg
Timezone

Overview of ZIP Code 78256

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What to know about ZIP 78256

ZIP code 78256 covers San Antonio, TX in Bexar County with a population of about 12,014.

At a glance, the area shows median age of 29.7 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 78256 is about $72,797 — about 3% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 19.9%; unemployment rate near 4.1%; 58.5% of adults with a bachelor’s degree or higher (about 24.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Professional services; about 11.8% of workers reporting work-from-home (about 3.3 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 78256

Median home value is about $494,400 — about 42% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,446 (about 24% above the U.S. median rent ($1,163)), and owner-occupancy near 29.9% (about 35.5 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 78256 in San Antonio, TX, a household would need roughly $136,000 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 $3,176. That is about 87% above the local median household income ($72,797), so the median earner would likely stretch or need a larger down payment. 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 32.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 567 for ZIP 78256 (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 SAT (11.2 miles (18.0 km)) · The University of Texas at San Antonio (2.7 miles (4.3 km)) · San Antonio Missions National Historical Park (24.5 miles (39.4 km)) · VA: Shavano Park Outpatient Clinic (4.7 miles (7.5 km))

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