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Area data

San antonio, TX — ZIP 78221

Population: 42,178 (Census ACS)

The median home value in ZIP 78221 (San antonio, TX) is $179,152 — down 4.0% over the past year. Homes sell for a median $267,499 after a median 82.5 days on market. Typical rent runs $1,355/month. 20 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with hail, inlandflooding, tornado the top-rated hazards. Cost of living is 3.5% below the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$179,152

Median home value

-4.0%

1-year change

82.5

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$179,152
1-year appreciation
-4.0%
3-year appreciation
-11.5%
5-year appreciation
-8.0%
10-year appreciation
+49.8%
All-time peak (2022-07)
$218,442
House Price Index (state)
440.1 (-0.8% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$267,499
Median list price
$268,999
Median price per sqft
$118
Median days on market
82.5 days
Homes sold (recent period)
10
For-sale inventory
122
Sale-to-list ratio
99.3%
Active listings
6
1-year forecast
-2.4%
New listings (monthly)
24

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$1,355/mo
1-year rent change
-4.4%
Studio fair-market rent
$950/mo
1BR fair-market rent
$1,040/mo
2BR fair-market rent
$1,260/mo
3BR fair-market rent
$1,620/mo
4BR fair-market rent
$1,880/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Average)
96.5 (100 = US avg)
Electricity rate (state-level)
15.5¢/kWh
Natural gas rate (state-level)
$19.40/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
20
Elementary schools
10
Middle schools
4
High schools
5
Charter schools
2
School districts serving the area
IDEA PUBLIC SCHOOLS, HARLANDALE ISD, SOUTHSIDE ISD
Schools include
IDEA SOUTH FLORES COLLEGE PREPARATORY, IDEA SOUTH FLORES ACADEMY, BELLAIRE EL, CARROLL BELL EL, GILLETTE EL

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
hail, inlandFlooding, tornado, coldWave, heatWave
Notable hazard ratings (county)
coldWave: Relatively High · drought: Relatively Moderate · earthquake: Relatively Low · hail: Very High · heatWave: Relatively High · hurricane: Relatively Moderate
FEMA flood zone
X
Flood risk level
Minimal
Wildfire risk to homes (county)
Higher than 64% of US counties
Buildings in wildfire direct-exposure zone
17.9%
Radon potential (county)
Low radon potential — EPA Zone 3 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
R & H Oil Company (6 mi — proposed for listing)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
73.0°F
Average high
83.0°F
Average low
63.0°F
Annual precipitation
34.0 in
USDA plant hardiness zone
9a (extreme annual low 20 to 25°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Moderate
Median AQI (annual)
52
Days with Good air quality
164
Days with Moderate air quality
189
Days with Unhealthy air quality
1
Highest AQI recorded (year)
309

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
9.7 / 20
Transit service frequency
833
Jobs reachable by car (30 min)
105,112
Jobs reachable by transit (45 min)
96,565

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
1
Nearest national park
San Antonio Missions National Historical Park (3 mi)
Airports within 30 mi
37
Nearest airport
Horizon Airport (2 mi)
Nearest major airport
Stinson Municipal Airport (SSF) (3 mi)
Hospitals nearby (~15 mi)
16
Hospitals include
BAPTIST MEDICAL CENTER, CONNALLY MEMORIAL MEDICAL CENTER, UNIVERSITY HEALTH SYSTEM
Avg hospital rating (CMS)
3.3 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Good (4.8 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Migration

Net migration (county)
+5,455 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,974
Housing built before 1970
45.1%
Housing built 2000 or later
30.0%
Median annual property tax
$2,742
Mean commute to work
25 min
Households with broadband internet
68.2%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
773,806
Average weekly wage
$1,189
Top industries (by employment)
Health Care, Accommodation & Food, Administrative Services
Annual residential building permits (county)
5,429

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

ZIP 78221State medianUS median
Median home value$179,152$260,151$289,727
Median sale price$267,499$285,000$325,000
Median days on market83 days71 days51 days
Typical rent$1,355/mo$1,580/mo$1,808/mo
Median annual property tax$2,742$2,390$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in ZIP 78221?
$179,152.
What is the median sale price in ZIP 78221?
$267,499.
How long do homes take to sell in ZIP 78221?
Median days on market: 82.5 days.
What is typical rent in ZIP 78221?
Typical rent: $1,355/month.
What is the natural-hazard risk in ZIP 78221?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: hail, inlandFlooding, tornado, coldWave, heatWave.
Is ZIP 78221 in a flood zone?
Minimal (FEMA NFIP). FEMA flood zone X.
What is the wildfire risk in ZIP 78221?
Risk to homes is higher than 64% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 78221?
Low radon potential — EPA Zone 3 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 78221?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 78221?
20 schools (10 elementary, 4 middle, 5 high) (NCES, 2022-23).
Is ZIP 78221 walkable?
Walkability index: 9.7/20 (EPA Smart Location Database).
What is the air quality in ZIP 78221?
Moderate. Median AQI: 52. (EPA AQI).
What is the cost of living in ZIP 78221?
Regional Price Parity: 96.5 (100 = US average) (Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

Selling a home in San antonio, TX?

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents