Zip Code 78254
San Antonio, Texas — Bexar County
📍 ZIP code 78254 is in San Antonio, Bexar County, Texas.
ZIP code 78254 is located in San Antonio, Bexar County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 78,865. The area code for ZIP code 78254 is 210.
Quick Answer
Zip code 78254 is in San Antonio, Texas (Bexar County). It has a population of 78,865, median household income of $115,823, and median home value of $298,800.
Population
78,865
Income
$115,823
Home Value
$298,800
Climate
97°F / 43°F
About Zip Code 78254
Zip code 78254 is located in San Antonio, Texas, within Bexar County. Home to approximately 78,865 residents, this area sits at an elevation of 958 ft and falls within the Central (CST/CDT) timezone. The local area code is 210.
The median household income is $115,823 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $298,800, and the cost of living index is 116 (16% above the national average of 100).
Summers average a high of 97°F while winters drop to 43°F. The area receives about 32 in of rain annually. The zip code covers 27 square miles of land area.
Key Statistics
78,865
$115,823
$298,800
Central (CST/CDT)
210
958 ft
27 sq mi
32.5
25,493
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Compare With Nearby Zip Codes
| Metric | 78254 | 78023 | 78250 | 78253 | 78251 | 78249 |
|---|---|---|---|---|---|---|
| City | San Antonio, TX | Helotes, TX | San Antonio, TX | San Antonio, TX | San Antonio, TX | San Antonio, TX |
| Population | 78,865 | 28,585 | 57,849 | 67,578 | 61,683 | 61,772 |
| Median Income | $115,823 | $129,701 | $80,289 | $104,260 | $78,025 | $80,851 |
| Home Value | $298,800 | $393,800 | $221,900 | $334,900 | $243,900 | $284,200 |
| Cost of Living | 116 | 149 | 86 | 122 | 88 | 98 |
| Median Age | 32.5 | 43.2 | 35.4 | 32.6 | 32.2 | 28.5 |
Cost of Living
100 = National Average. San Antonio's cost of living is 16% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
2.6x
Demographics
Zip code 78254 has a population of 78,865 people with a median age of 32.5. There are 25,493 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
San Antonio (78254) population trend from 2010 to 2024
↑ 55.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
97°F
43°F
32 in
0 in
San Antonio experiences hot summers with average highs around 97°F. Winters are mild with lows averaging 43°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$298,800
Median Household Income
$115,823
With 25,493 housing units across 27 square miles, 78254 has a housing density of 944 units per square mile. The home price-to-income ratio is 2.6x.
Location & Geography
Latitude
29.5377°
Longitude
-98.7350°
Land Area
27 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 78254 (San Antonio, TX) with distances:
All Zip Codes in San Antonio, TX
Other zip codes serving San Antonio:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 78254's $115,823. A way to compare San Antonio to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 78254 (San Antonio, TX). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is San Antonio, Texas?
San Antonio, Texas uses zip code 78254 along with 11 other zip codes.
What county is zip code 78254 in?
Zip code 78254 is located in Bexar County, Texas.
What is the population of zip code 78254?
The population of zip code 78254 is 78,865 with a median age of 32.5.
Is 78254 in San Antonio, Texas?
Yes, zip code 78254 is in San Antonio, Bexar County, Texas. The area code is 210.
Frequently Asked Questions
What city is zip code 78254 in?
Zip code 78254 is in San Antonio, Texas. It is part of Bexar County and uses the Central (CST/CDT) timezone.
What is zip code 78254?
Zip code 78254 is a U.S. postal code in San Antonio, Texas (Bexar County). It has a population of 78,865 and covers 27 square miles.
What is the population of zip code 78254?
The population of zip code 78254 (San Antonio, TX) is 78,865 with a median age of 32.5. There are approximately 25,493 housing units in this area.
What is the median income in zip code 78254?
The median household income in zip code 78254 (San Antonio, TX) is $115,823 per year. The cost of living index is 116 (100 = national average).
What is the average home price in zip code 78254?
The median home value in zip code 78254 (San Antonio, TX) is $298,800. The cost of living index is 116 compared to the national average of 100.
What county is zip code 78254 in?
Zip code 78254 is located in Bexar County, Texas. The primary city is San Antonio.
What is the area code for zip code 78254?
Zip code 78254 in San Antonio, TX uses area code 210. It is located in the Central (CST/CDT) timezone.
Is zip code 78254 a good place to live?
Zip code 78254 (San Antonio, TX) has a cost of living index of 116 (100 = national average), a median household income of $115,823, and median home values of $298,800. The median age is 32.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 78254?
The cost of living index for zip code 78254 (San Antonio, TX) is 116, where 100 represents the national average. This area is above the national average. Median home value: $298,800.
What schools serve zip code 78254?
Zip code 78254 in San Antonio, Texas is served by the local school district of Bexar County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.