ZIP code
78738
Austin, TX
78738 covers Austin in Travis County, with 28,790 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 78738. Methodology
ZIP code map of 78738

About ZIP code 78738
Acceptable cities: Bee Cave, Bee Caves, Lakeway, The Hills, Village Of The Hills, Vlg O The Hls
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 78738. Not ACS. Methodology
People in 78738
Race
- White21,613
- Black or African American613
- American Indian or Alaska Native93
- Asian3,382
- Native Hawaiian and Pacific Islander19
- Other race630
- Two or more races3,179
Hispanic or Latino (any race): 3,147
Age
- Under 104,181
- 10 to 194,817
- 20 to 292,180
- 30 to 393,554
- 40 to 494,955
- 50 to 594,092
- 60 to 692,933
- 70 to 791,984
- 80 and older833
Income and housing in 78738
Education
- High school graduate98.1%
- Bachelor's degree75.4%
- Graduate degree30.4%
Places covering 78738
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Travis County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
36.8% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 78738
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 9,297 | |
| 2006 | 9,704 | |
| 2007 | 11,007 | |
| 2008 | 11,853 | |
| 2009 | 12,845 | |
| 2010 | 13,621 | |
| 2011 | 11,504 | 14,518 |
| 2012 | 12,457 | 16,050 |
| 2013 | 13,141 | 17,600 |
| 2014 | 13,794 | 18,500 |
| 2015 | 14,795 | 20,550 |
| 2016 | 14,970 | 22,900 |
| 2017 | 15,746 | 25,390 |
| 2018 | 15,589 | 27,110 |
| 2019 | 15,986 | 28,940 |
| 2020 | 15,090 | 30,180 |
| 2021 | 26,806 | 30,770 |
| 2022 | 28,613 | 32,170 |
| 2023 | 28,790 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 78738
12 nearest ZIP centroids (any distance)
- 78736Austin4.7 miPop 9,849 · Income $100,761
- 78734Austin5.6 miPop 22,091 · Income $129,116
- 78733Austin6.3 miPop 9,339 · Income $220,421
- 78735Austin7.6 miPop 20,112 · Income $126,216
- 78732Austin7.7 miPop 20,646 · Income $194,120
- 78737Austin9.2 miPop 26,413 · Income $164,066
- 78730Austin9.7 miPop 9,669 · Income $146,450
- 78645Leander9.9 miPop 15,042 · Income $108,393
- 78749Austin10.1 miPop 34,939 · Income $113,918
- 78620Dripping Springs10.4 miPop 20,624 · Income $146,551
- 78746Austin10.7 miPop 28,268 · Income $183,028
- 78739Austin10.8 miPop 20,850 · Income $222,552
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 78738, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 78738 FAQ
- What city is ZIP code 78738 in?
- 78738 is in Austin, TX.
- What county is 78738 in?
- 78738 is in Travis County.
- What is the median household income in 78738?
- The median household income in 78738 is $169,911.
- Which ZIP codes are near 78738?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 78738.