Zip Code 78737
Austin, Texas — Hays County
📍 ZIP code 78737 is in Austin, Hays County, Texas.
ZIP code 78737 is located in Austin, Hays County, Texas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 26,413. The area code for ZIP code 78737 is 512.
Quick Answer
Zip code 78737 is in Austin, Texas (Hays County). It has a population of 26,413, median household income of $164,066, and median home value of $689,200.
Population
26,413
Income
$164,066
Home Value
$689,200
Climate
94°F / 39°F
About Zip Code 78737
Zip code 78737 is located in Austin, Texas, within Hays County. Home to approximately 26,413 residents, this area sits at an elevation of 1111 ft and falls within the Central (CST/CDT) timezone. The local area code is 512.
The median household income is $164,066 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $689,200, and the cost of living index is 216 (116% above the national average of 100).
Summers average a high of 94°F while winters drop to 39°F. The area receives about 36 in of rain annually. The zip code covers 37.9 square miles of land area.
Key Statistics
26,413
$164,066
$689,200
Central (CST/CDT)
512
1111 ft
37.9 sq mi
39
8,895
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Compare With Nearby Zip Codes
| Metric | 78737 | 78739 | 78736 | 78652 | 78749 | 78619 |
|---|---|---|---|---|---|---|
| City | Austin, TX | Austin, TX | Austin, TX | Manchaca, TX | Austin, TX | Driftwood, TX |
| Population | 26,413 | 20,850 | 9,849 | 5,012 | 34,939 | 6,896 |
| Median Income | $164,066 | $222,552 | $100,761 | $118,750 | $113,918 | $171,667 |
| Home Value | $689,200 | $699,400 | $556,400 | $480,600 | $530,900 | $709,400 |
| Cost of Living | 216 | 248 | 157 | 161 | 165 | 232 |
| Median Age | 39 | 40.2 | 42.3 | 41.9 | 41.7 | 44.4 |
Cost of Living
100 = National Average. Austin's cost of living is 116% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.2x
Demographics
Zip code 78737 has a population of 26,413 people with a median age of 39. There are 8,895 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Austin (78737) population trend from 2010 to 2024
↓ -36.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
94°F
39°F
36 in
0 in
Austin experiences hot summers with average highs around 94°F. Winters are mild with lows averaging 39°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$689,200
Median Household Income
$164,066
With 8,895 housing units across 37.9 square miles, 78737 has a housing density of 235 units per square mile. The home price-to-income ratio is 4.2x.
Location & Geography
Latitude
30.1899°
Longitude
-97.9566°
Land Area
37.9 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 78737 (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 78737's $164,066. 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 78737 (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 78737 along with 8 other zip codes.
What county is zip code 78737 in?
Zip code 78737 is located in Hays County, Texas.
What is the population of zip code 78737?
The population of zip code 78737 is 26,413 with a median age of 39.
Is 78737 in Austin, Texas?
Yes, zip code 78737 is in Austin, Hays County, Texas. The area code is 512.
Frequently Asked Questions
What city is zip code 78737 in?
Zip code 78737 is in Austin, Texas. It is part of Hays County and uses the Central (CST/CDT) timezone.
What is zip code 78737?
Zip code 78737 is a U.S. postal code in Austin, Texas (Hays County). It has a population of 26,413 and covers 37.9 square miles.
What is the population of zip code 78737?
The population of zip code 78737 (Austin, TX) is 26,413 with a median age of 39. There are approximately 8,895 housing units in this area.
What is the median income in zip code 78737?
The median household income in zip code 78737 (Austin, TX) is $164,066 per year. The cost of living index is 216 (100 = national average).
What is the average home price in zip code 78737?
The median home value in zip code 78737 (Austin, TX) is $689,200. The cost of living index is 216 compared to the national average of 100.
What county is zip code 78737 in?
Zip code 78737 is located in Hays County, Texas. The primary city is Austin.
What is the area code for zip code 78737?
Zip code 78737 in Austin, TX uses area code 512. It is located in the Central (CST/CDT) timezone.
Is zip code 78737 a good place to live?
Zip code 78737 (Austin, TX) has a cost of living index of 216 (100 = national average), a median household income of $164,066, and median home values of $689,200. The median age is 39. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 78737?
The cost of living index for zip code 78737 (Austin, TX) is 216, where 100 represents the national average. This area is above the national average. Median home value: $689,200.
What schools serve zip code 78737?
Zip code 78737 in Austin, Texas is served by the local school district of Hays 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.