ZIP code
78721
Austin, TX
78721 covers Austin in Travis County, with 10,728 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 78721. Methodology
ZIP code map of 78721

About ZIP code 78721
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 78721. Not ACS. Methodology
People in 78721
Race
- White4,609
- Black or African American2,961
- American Indian or Alaska Native101
- Asian216
- Native Hawaiian and Pacific Islander3
- Other race1,705
- Two or more races1,721
Hispanic or Latino (any race): 4,569
Age
- Under 101,315
- 10 to 191,205
- 20 to 291,973
- 30 to 392,770
- 40 to 491,413
- 50 to 59993
- 60 to 69857
- 70 to 79490
- 80 and older300
Income and housing in 78721
Education
- High school graduate84.2%
- Bachelor's degree51.2%
- Graduate degree17.2%
Places covering 78721
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.
- Austin100.0%
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
Population history for 78721
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 8,937 | |
| 2006 | 9,322 | |
| 2007 | 10,405 | |
| 2008 | 9,726 | |
| 2009 | 9,713 | |
| 2010 | 9,812 | |
| 2011 | 11,100 | 10,048 |
| 2012 | 11,178 | 10,180 |
| 2013 | 11,482 | 10,010 |
| 2014 | 12,087 | 9,990 |
| 2015 | 12,508 | 9,840 |
| 2016 | 12,153 | 9,380 |
| 2017 | 12,447 | 9,300 |
| 2018 | 12,492 | 9,380 |
| 2019 | 12,110 | 9,590 |
| 2020 | 11,054 | 9,510 |
| 2021 | 10,728 | 9,140 |
| 2022 | 10,445 | 8,970 |
| 2023 | 10,728 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 78721
12 nearest ZIP centroids (any distance)
- 78702Austin1.9 miPop 26,495 · Income $101,304
- 78722Austin2.3 miPop 6,576 · Income $101,034
- 78723Austin2.3 miPop 36,307 · Income $87,978
- 78742Austin2.5 miPop 638 · Income $74,453
- 78712Austin3.1 miPop 206 · Income —
- 78799Austin3.4 miPop — · Income —
- 78741Austin3.4 miPop 45,274 · Income $66,434
- 78710Austin3.5 miPop — · Income —
- 78701Austin3.5 miPop 11,114 · Income $154,867
- 78751Austin3.6 miPop 16,027 · Income $81,657
- 78705Austin3.7 miPop 32,937 · Income $30,336
- 78724Austin4.2 miPop 29,326 · Income $76,906
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 78702 | Austin | TX | 1.9 mi | 26,495 | $101,304 |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 78721 FAQ
- What city is ZIP code 78721 in?
- 78721 is in Austin, TX.
- What county is 78721 in?
- 78721 is in Travis County.
- What is the median household income in 78721?
- The median household income in 78721 is $103,285.
- Which ZIP codes are near 78721?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 78721.