ZIP code
78728
Austin, TX
78728 covers Austin in Travis County, with 26,776 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 78728. Methodology
ZIP code map of 78728
About ZIP code 78728
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 78728. Not ACS. Methodology
People in 78728
Race
- White11,773
- Black or African American4,494
- American Indian or Alaska Native202
- Asian2,686
- Native Hawaiian and Pacific Islander33
- Other race2,466
- Two or more races3,901
Hispanic or Latino (any race): 7,426
Age
- Under 103,385
- 10 to 192,359
- 20 to 295,397
- 30 to 395,506
- 40 to 493,203
- 50 to 592,565
- 60 to 691,844
- 70 to 79858
- 80 and older438
Income and housing in 78728
Education
- High school graduate94.1%
- Bachelor's degree48.0%
- Graduate degree16.5%
Places covering 78728
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.
- Wells Branch54.8%
- Round Rock4.2%
- Austin2.7%
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 County88.6%
- Williamson County11.4%
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
38.4% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 78728
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 15,996 | |
| 2006 | 15,897 | |
| 2007 | 16,610 | |
| 2008 | 16,597 | |
| 2009 | 17,594 | |
| 2010 | 18,507 | |
| 2011 | 20,232 | 18,302 |
| 2012 | 20,939 | 18,470 |
| 2013 | 20,817 | 19,240 |
| 2014 | 20,794 | 19,640 |
| 2015 | 21,081 | 20,470 |
| 2016 | 21,858 | 20,670 |
| 2017 | 21,245 | 21,150 |
| 2018 | 21,480 | 21,240 |
| 2019 | 21,125 | 22,000 |
| 2020 | 21,857 | 21,590 |
| 2021 | 25,359 | 21,100 |
| 2022 | 27,111 | 21,200 |
| 2023 | 26,776 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 78728
12 nearest ZIP centroids (any distance)
- 78727Austin2.4 miPop 30,894 · Income $107,194
- 78729Austin4.0 miPop 30,440 · Income $81,589
- 78664Round Rock4.4 miPop 62,272 · Income $85,919
- 78717Austin4.6 miPop 36,085 · Income $140,483
- 78758Austin4.7 miPop 50,592 · Income $69,019
- 78753Austin4.9 miPop 58,449 · Income $62,334
- 78759Austin5.5 miPop 44,882 · Income $102,799
- 78660Pflugerville5.7 miPop 118,437 · Income $109,522
- 78798Austin5.8 miPop — · Income —
- 78750Austin5.9 miPop 29,322 · Income $123,722
- 78681Round Rock6.3 miPop 58,531 · Income $136,215
- 78754Austin7.3 miPop 31,410 · Income $92,964
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 78728, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 78728 FAQ
- What city is ZIP code 78728 in?
- 78728 is in Austin, TX.
- What county is 78728 in?
- 78728 is in Travis County.
- What is the median household income in 78728?
- The median household income in 78728 is $74,048.
- Which ZIP codes are near 78728?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 78728.