Zip Code 78747
Austin, Texas — Travis County
📍 ZIP code 78747 is in Austin, Travis County, Texas.
ZIP code 78747 is located in Austin, Travis County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 21,757. The area code for ZIP code 78747 is 512.
Quick Answer
Zip code 78747 is in Austin, Texas (Travis County). It has a population of 21,757, median household income of $86,456, and median home value of $395,500.
Population
21,757
Income
$86,456
Home Value
$395,500
Climate
96°F / 38°F
About Zip Code 78747
Zip code 78747 is located in Austin, Texas, within Travis County. Home to approximately 21,757 residents, this area sits at an elevation of 635 ft and falls within the Central (CST/CDT) timezone. The local area code is 512.
The median household income is $86,456 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $395,500, and the cost of living index is 117 (17% above the national average of 100).
Summers average a high of 96°F while winters drop to 38°F. The area receives about 36 in of rain annually. The zip code covers 23.8 square miles of land area.
Key Statistics
21,757
$86,456
$395,500
Central (CST/CDT)
512
635 ft
23.8 sq mi
34.9
8,860
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Compare With Nearby Zip Codes
| Metric | 78747 | 78744 | 78748 | 78745 | 78719 | 78610 |
|---|---|---|---|---|---|---|
| City | Austin, TX | Austin, TX | Austin, TX | Austin, TX | Austin, TX | Buda, TX |
| Population | 21,757 | 51,069 | 54,942 | 61,122 | 1,556 | 46,685 |
| Median Income | $86,456 | $78,474 | $107,652 | $84,529 | $54,545 | $110,417 |
| Home Value | $395,500 | $307,000 | $434,100 | $459,100 | $120,800 | $379,300 |
| Cost of Living | 117 | 97 | 133 | 128 | 60 | 130 |
| Median Age | 34.9 | 32.8 | 36.5 | 37.7 | 43.7 | 35.8 |
Cost of Living
100 = National Average. Austin's cost of living is 17% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
4.6x
Demographics
Zip code 78747 has a population of 21,757 people with a median age of 34.9. There are 8,860 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Austin (78747) population trend from 2010 to 2024
↑ 5.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
96°F
38°F
36 in
0 in
Austin experiences hot summers with average highs around 96°F. Winters are mild with lows averaging 38°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$395,500
Median Household Income
$86,456
With 8,860 housing units across 23.8 square miles, 78747 has a housing density of 372 units per square mile. The home price-to-income ratio is 4.6x.
Location & Geography
Latitude
30.1270°
Longitude
-97.7400°
Land Area
23.8 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 78747 (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 78747's $86,456. 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 78747 (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 78747 along with 8 other zip codes.
What county is zip code 78747 in?
Zip code 78747 is located in Travis County, Texas.
What is the population of zip code 78747?
The population of zip code 78747 is 21,757 with a median age of 34.9.
Is 78747 in Austin, Texas?
Yes, zip code 78747 is in Austin, Travis County, Texas. The area code is 512.
Frequently Asked Questions
What city is zip code 78747 in?
Zip code 78747 is in Austin, Texas. It is part of Travis County and uses the Central (CST/CDT) timezone.
What is zip code 78747?
Zip code 78747 is a U.S. postal code in Austin, Texas (Travis County). It has a population of 21,757 and covers 23.8 square miles.
What is the population of zip code 78747?
The population of zip code 78747 (Austin, TX) is 21,757 with a median age of 34.9. There are approximately 8,860 housing units in this area.
What is the median income in zip code 78747?
The median household income in zip code 78747 (Austin, TX) is $86,456 per year. The cost of living index is 117 (100 = national average).
What is the average home price in zip code 78747?
The median home value in zip code 78747 (Austin, TX) is $395,500. The cost of living index is 117 compared to the national average of 100.
What county is zip code 78747 in?
Zip code 78747 is located in Travis County, Texas. The primary city is Austin.
What is the area code for zip code 78747?
Zip code 78747 in Austin, TX uses area code 512. It is located in the Central (CST/CDT) timezone.
Is zip code 78747 a good place to live?
Zip code 78747 (Austin, TX) has a cost of living index of 117 (100 = national average), a median household income of $86,456, and median home values of $395,500. The median age is 34.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 78747?
The cost of living index for zip code 78747 (Austin, TX) is 117, where 100 represents the national average. This area is above the national average. Median home value: $395,500.
What schools serve zip code 78747?
Zip code 78747 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.