Postal Codes

78738 ZIP Code

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ZIP code 78738 covers Austin, Texas, with a population of about 28,790 and a median household income of $169,911.

Population
28,790684 per square mile
Median age
43.44.7 points above the US average
Median household income
$169,9112.2× the Texas median
Poverty rate
4.4%8 points below the US average
Typical home value
$846,276down 5.6% in five years
Median rent
$1,9151.4× the Texas median
Degree or higher
75.4%40.4 points above the US average
Homeownership
76.3%11.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
1,241

Where 78738 is

Austin, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population28,790
Median age43.4
Family households78.2%
Born outside the US14.7%
Speaks a language other than English at home19.2%
White (non-Hispanic)68.5%
Black (non-Hispanic)2.6%
Asian (non-Hispanic)14.5%
Hispanic or Latino11.6%
Veterans6.2%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$169,911
Income per person$88,897
Poverty rate4.4%
Households on SNAP or cash assistance3.7%

Household income distribution

Under $10k4.2%
$10–15k0.2%
$15–20k0.4%
$20–25k3.1%
$25–30k0.2%
$30–35k1.4%
$35–40k0.7%
$40–45k2.9%
$45–50k2.3%
$50–60k1.9%
$60–75k6.0%
$75–100k9.5%
$100–125k8.0%
$125–150k5.2%
$150–200k12.8%
$200k or more41.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed14,020
Mean adjusted gross income$338,286
Returns declaring $200,000 or more43.7%
Returns, under $25k15.3%
Returns, $25k–$50k9.1%
Returns, $50k–$75k7.4%
Returns, $75k–$100k6.0%
Returns, $100k–$200k18.5%
Returns, $200k or more43.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$754,600
Median gross rent$1,915
Rent as a share of household income29.8%
Owner-occupied76.3%
Vacant homes4.9%
Median year built2011

What the homes are

Detached house76.8%
Attached house1%
2 to 4 units1.4%
5 to 19 units9.1%
20 or more units11.2%
Mobile home0.1%
Boat, RV or van0.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$846,276as of 2026-07
Typical home value, 1 yeardown 1.5%
Typical home value, 5 yearsdown 5.6%
Typical home value, 10 yearsup 56.4%
Typical asking rent$2,385as of 2026-07
Typical asking rent, 1 yeardown 0.6%
Typical asking rent, 5 yearsup 0.8%
Typical home value since 2000
200020132026$1,110,354$370,755

$370,755 in 2000 to $846,276 in 2026.

Typical asking rent
202120232026$2,585$2,293

$2,367 in 2021 to $2,385 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.5%
Bachelor's degree or higher75.4%
High school diploma or higher98.1%
Works from home40.8%
Drives to work alone52.4%
Takes public transport0.3%
Commutes 45 minutes or more15.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity26.4% 7 pts below the national average of 33.4%
Diagnosed diabetes8.1% 3.9 pts below the national average of 12%
Currently smokes6.9% 6.3 pts below the national average of 13.2%
High blood pressure27.6% 6.5 pts below the national average of 34.1%
Fair or poor general health11.2% 9.1 pts below the national average of 20.3%
No health insurance (18–64)6.7% 4.6 pts below the national average of 11.3%
Depression21.5% same as the national average of 21.9%
No leisure-time physical activity14.6% 10.8 pts below the national average of 25.4%
Arthritis20.6% 4.5 pts below the national average of 25.1%
Binge drinking18.5% 2.5 pts above the national average of 16%
Taking blood pressure medication74.7% same as the national average of 74.7%
Cancer (non-skin)8.2% 0.5 pts above the national average of 7.7%
Current asthma9% 1.4 pts below the national average of 10.4%
Coronary heart disease4.2% 2 pts below the national average of 6.2%
Routine check-up in past year76.7% same as the national average of 76.7%
Cholesterol screening91.1% 5.2 pts above the national average of 85.9%
Cognitive disability8.7% 6.1 pts below the national average of 14.8%
Colorectal screening67.2% 2.9 pts above the national average of 64.3%
COPD3.6% 3 pts below the national average of 6.6%
Visited a dentist72.5% 11.2 pts above the national average of 61.3%
Any disability18.8% 11.9 pts below the national average of 30.7%
Hearing disability4.8% 1.9 pts below the national average of 6.7%
High cholesterol36% same as the national average of 36.2%
Independent living disability4.6% 3.8 pts below the national average of 8.4%
Mammography use81.2% 5.3 pts above the national average of 75.9%
Poor mental health (14+ days)13.2% 3.6 pts below the national average of 16.8%
Mobility disability8.2% 5.8 pts below the national average of 14%
Poor physical health (14+ days)8.9% 4.6 pts below the national average of 13.5%
Self-care disability2% 2 pts below the national average of 4%
Sleeps under 7 hours28% 8.4 pts below the national average of 36.4%
Stroke2.2% 1.2 pts below the national average of 3.4%
All natural teeth lost4.8% 8.2 pts below the national average of 13%
Vision disability2.6% 3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,241
People employed11,609
Annual payroll$935,328,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 68.9% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 9 census tracts this ZIP code covers
Expected annual loss79.7 out of 100
Community resilience62.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hail94.8Relatively High at its worst in this ZIP code
Tornado93.4Very High at its worst in this ZIP code
Wildfire92.4Relatively Moderate at its worst in this ZIP code
Landslide84.5Relatively Low at its worst in this ZIP code
Heat wave79.6Relatively Moderate at its worst in this ZIP code
River flooding77.7Relatively High at its worst in this ZIP code
Strong wind56.8Relatively Moderate at its worst in this ZIP code
Hurricane51.3Relatively Low at its worst in this ZIP code
Ice storm44.2Relatively Low at its worst in this ZIP code
Lightning42.3Relatively Low at its worst in this ZIP code
Cold wave39.8Relatively Low at its worst in this ZIP code
Winter weather36.9Relatively Low at its worst in this ZIP code
Drought8.2Very Low at its worst in this ZIP code
Earthquake6Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$169,911$76,292$78,538
Income per person$88,897$39,446$43,289
Poverty rate4.4%13.8%12.4%
Median home value$754,600$260,400$303,400
Median gross rent$1,915$1,339$1,348
Homeownership76.3%62.6%65%
Bachelor's degree or higher75.4%33.1%35%
Unemployment rate2.5%5.1%5.2%
Works from home40.8%12.8%13.5%
Born outside the US14.7%17.2%13.9%
Median age43.435.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationDRIPPING SPRINGS 6 E, TX US12.7 km away
Rain in a year36 in
Snow in a year0 in

Average high and low by month

January60.4°F / 38.9°F2.65 in rain
February64.6°F / 42.9°F2.1 in rain, 0.2 in snow
March71.8°F / 49.3°F2.86 in rain
April78.9°F / 56.2°F2.61 in rain
May84.8°F / 64.1°F4.29 in rain
June91°F / 70.1°F3.68 in rain
July94.2°F / 72.3°F2.1 in rain
August95.4°F / 71.8°F2.11 in rain
September88.8°F / 66.1°F3.65 in rain
October79.8°F / 57.5°F3.97 in rain
November68.7°F / 47.7°F2.94 in rain
December61.4°F / 40.6°F2.74 in rain, 0.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket26% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Lake Travis Independent School District99.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability17more vulnerable than 17% of US census tracts
Socioeconomic status7more vulnerable than 7% of US census tracts
Household characteristics26more vulnerable than 26% of US census tracts
Racial and ethnic minority status42more vulnerable than 42% of US census tracts
Housing type and transport39more vulnerable than 39% of US census tracts
Walkability7.5 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

78734 Austin, TX5.6 km away
78732 Austin, TX9.1 km away
78669 Spicewood, TX9.3 km away
78733 Austin, TX11.1 km away
78736 Austin, TX11.8 km away
78716 Austin, TX12 km away
78645 Leander, TX12.9 km away
78737 Austin, TX14.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Travis County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area42.09 sq mi
Water area0.05 sq mi
Population density684 people per sq mi
Latitude, longitude30.3337, -97.9824

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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