ZIP code 78742: Austin, TX
78742 is a ZIP code in Austin, Texas, mainly in Travis County, part of the Austin-Round Rock-San Marcos, TX metro area. About 847 people live here.
- Population
- 847
- Median household income
- —
- Typical home value
- —
- Median rent
- $1,328gross, per month
- Median age
- 44.7
- Homeowners
- 57.5%of occupied homes
Shaded: ZIP code 78742's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 78742 details
| City | Austin |
|---|---|
| State | Texas |
| County | Travis County |
| Metro area | Austin-Round Rock-San Marcos, TX |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 5.9 sq mi, plus 0.2 sq mi of water |
| Population density | 143 people per sq mi |
| Bachelor's degree or higher | 10.6% of adults 25+ |
| Average commute | 29.8 minutes |
| Center coordinates | 30.24235, -97.65920 |
ZIP codes near 78742
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 78721 | Austin, TX | 2.5 mi | 10,997 |
| 78725 | Austin, TX | 3.1 mi | 10,746 |
| 78741 | Austin, TX | 3.4 mi | 45,951 |
| 78702 | Austin, TX | 3.6 mi | 25,985 |
| 78724 | Austin, TX | 4.3 mi | 31,103 |
| 78723 | Austin, TX | 4.6 mi | 38,129 |
| 78722 | Austin, TX | 4.7 mi | 6,767 |
| 78712 | Austin, TX | 5.3 mi | 201 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 78742
What city is ZIP code 78742?
ZIP code 78742 is in Austin, TX, in Travis County.
What county is ZIP code 78742 in?
78742 is mainly in Travis County, Texas.
What is the population of ZIP code 78742?
About 847 people live in ZIP code 78742, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 78742 in?
78742 is in Central Time (UTC−6). It observes daylight saving time.
What other ZIP codes does Austin have?
Austin, TX also uses 73301, 73344, 78701, 78702, 78703, 78704, 78705, 78708, 78709, 78710, 78711, 78712, 78713, 78714, 78715, 78716, 78717, 78718, 78719, 78720, 78721, 78722, 78723, 78724, 78725, 78726, 78727, 78728, 78729, 78730, 78731, 78732, 78733, 78734, 78735, 78736, 78737, 78738, 78739, 78741, 78744, 78745, 78746, 78747, 78748, 78749, 78750, 78751, 78752, 78753, 78754, 78755, 78756, 78757, 78758, 78759, 78760, 78761, 78762, 78763, 78764, 78765, 78766, 78767, 78768, 78769, 78772, 78773, 78774, 78778, 78779, 78783 and 78799.