Zip Code 78748
Austin, Texas — Travis County
📍 ZIP code 78748 is in Austin, Travis County, Texas.
ZIP code 78748 is located in Austin, Travis County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 54,942. The area code for ZIP code 78748 is 512.
Quick Answer
Zip code 78748 is in Austin, Texas (Travis County). It has a population of 54,942, median household income of $107,652, and median home value of $434,100.
Population
54,942
Income
$107,652
Home Value
$434,100
Climate
96°F / 37°F
About Zip Code 78748
Zip code 78748 is located in Austin, Texas, within Travis County. Home to approximately 54,942 residents, this area sits at an elevation of 672 ft and falls within the Central (CST/CDT) timezone. The local area code is 512.
The median household income is $107,652 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $434,100, and the cost of living index is 133 (33% above the national average of 100).
Summers average a high of 96°F while winters drop to 37°F. The area receives about 45 in of rain and 3 in of snow annually. The zip code covers 12.7 square miles of land area.
Key Statistics
54,942
$107,652
$434,100
Central (CST/CDT)
512
672 ft
12.7 sq mi
36.5
25,694
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Compare With Nearby Zip Codes
| Metric | 78748 | 78745 | 78652 | 78749 | 78739 | 78747 |
|---|---|---|---|---|---|---|
| City | Austin, TX | Austin, TX | Manchaca, TX | Austin, TX | Austin, TX | Austin, TX |
| Population | 54,942 | 61,122 | 5,012 | 34,939 | 20,850 | 21,757 |
| Median Income | $107,652 | $84,529 | $118,750 | $113,918 | $222,552 | $86,456 |
| Home Value | $434,100 | $459,100 | $480,600 | $530,900 | $699,400 | $395,500 |
| Cost of Living | 133 | 128 | 161 | 165 | 248 | 117 |
| Median Age | 36.5 | 37.7 | 41.9 | 41.7 | 40.2 | 34.9 |
Cost of Living
100 = National Average. Austin's cost of living is 33% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.0x
Demographics
Zip code 78748 has a population of 54,942 people with a median age of 36.5. There are 25,694 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Austin (78748) population trend from 2010 to 2024
↓ -26.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
96°F
37°F
45 in
3 in
Austin experiences hot summers with average highs around 96°F. Winters are mild with lows averaging 37°F. The area receives about 3 in of snow per year.
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Housing & Economy
Median Home Value
$434,100
Median Household Income
$107,652
With 25,694 housing units across 12.7 square miles, 78748 has a housing density of 2,023 units per square mile. The home price-to-income ratio is 4.0x.
Location & Geography
Latitude
30.1664°
Longitude
-97.8234°
Land Area
12.7 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 78748 (Austin, TX) with distances:
All Zip Codes in Austin, TX
Other zip codes serving Austin:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 78748's $107,652. A way to compare Austin 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 78748 (Austin, 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 Austin, Texas?
Austin, Texas uses zip code 78748 along with 8 other zip codes.
What county is zip code 78748 in?
Zip code 78748 is located in Travis County, Texas.
What is the population of zip code 78748?
The population of zip code 78748 is 54,942 with a median age of 36.5.
Is 78748 in Austin, Texas?
Yes, zip code 78748 is in Austin, Travis County, Texas. The area code is 512.
Frequently Asked Questions
What city is zip code 78748 in?
Zip code 78748 is in Austin, Texas. It is part of Travis County and uses the Central (CST/CDT) timezone.
What is zip code 78748?
Zip code 78748 is a U.S. postal code in Austin, Texas (Travis County). It has a population of 54,942 and covers 12.7 square miles.
What is the population of zip code 78748?
The population of zip code 78748 (Austin, TX) is 54,942 with a median age of 36.5. There are approximately 25,694 housing units in this area.
What is the median income in zip code 78748?
The median household income in zip code 78748 (Austin, TX) is $107,652 per year. The cost of living index is 133 (100 = national average).
What is the average home price in zip code 78748?
The median home value in zip code 78748 (Austin, TX) is $434,100. The cost of living index is 133 compared to the national average of 100.
What county is zip code 78748 in?
Zip code 78748 is located in Travis County, Texas. The primary city is Austin.
What is the area code for zip code 78748?
Zip code 78748 in Austin, TX uses area code 512. It is located in the Central (CST/CDT) timezone.
Is zip code 78748 a good place to live?
Zip code 78748 (Austin, TX) has a cost of living index of 133 (100 = national average), a median household income of $107,652, and median home values of $434,100. The median age is 36.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 78748?
The cost of living index for zip code 78748 (Austin, TX) is 133, where 100 represents the national average. This area is above the national average. Median home value: $434,100.
What schools serve zip code 78748?
Zip code 78748 in Austin, Texas is served by the local school district of Travis 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.