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Where 78746 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 78746 into a pocket calculator and turn it upside down: ghLBL — not quite a word, sorry.
- ➕ As a number, 78,746 = 2 × 39373. Its digits add up to 32, a total 644 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011001110011010 - 🏠 Its numerical neighbours: 78745 (Austin, TX, 6 mi away) and 78747 (Austin, TX, 13 mi away).
- 🔄 Backwards, 78746 becomes 64787, which is not a ZIP code at all.
- 👥 22 other ZIP codes are made of exactly the same digits (46778, 46787, 47876, 48767, 64778, 67478, …). The farthest-flung twin is 48767 in Unionville, MI, 1,212 miles away.
- 🧭 Farther south than 92% of all ZIP codes, and farther west than 76%.
- 🎯660 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78746 and you would come out at 30.30°S, 82.19°E — 1,457 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 06m of daylight. Shortest: 10h 11m.
- 📏 At 22.9 square miles of land, 78746 is bigger than 40% of ZIP codes — room for about 17 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 28,256This ZIP28,256 |
|---|---|
| Households | 11,202This ZIP11,202 |
| Housing units | 11,848This ZIP11,848 |
| Median age | 44.0This ZIP44.0Texas35.6US 38.9 |
| Median household income | $188,414This ZIP$188,414Texas$78,476US $80,734 |
| Median home value | $1,494,300This ZIP$1,494,300Texas$283,800US $332,700 |
| Median gross rent | $2,136This ZIP$2,136Texas$1,403US $1,413 |
| Bachelor's degree or higher | 81.8%This ZIP81.8% |
| Mean commute | 20.1 minThis ZIP20.1 min |
| Population density | 1,232.6 / sq miThis ZIP1,232.6 / sq mi |
Business and tax activity
| Business establishments | 2,730This ZIP2,730 |
|---|---|
| Employees | 49,465This ZIP49,465 |
| Annual payroll | $5,522,787,000This ZIP$5,522,787,000 |
| Tax returns filed | 13,170This ZIP13,170 |
| Total adjusted gross income | $13,003,000,000This ZIP$13,003,000,000 |
Land area
| Land area | 22.92 sq miThis ZIP22.92 sq mi |
|---|---|
| Water area | 0.79 sq miThis ZIP0.79 sq mi |
Other place names in 78746
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 78746
| ZIP | City | Distance |
|---|---|---|
78703 | Austin, TX | 2.6 mi |
73301 | Austin, TX | 3.1 mi |
73344 | Austin, TX | 3.1 mi |
78651 | Mc Neil, TX | 3.1 mi |
78708 | Austin, TX | 3.1 mi |
78709 | Austin, TX | 3.1 mi |
78711 | Austin, TX | 3.1 mi |
78718 | Austin, TX | 3.1 mi |
78720 | Austin, TX | 3.1 mi |
78755 | Austin, TX | 3.1 mi |
Find every ZIP code within 10 miles of 78746 →
Questions about this ZIP code
Where is ZIP code 78746?
78746 is in Austin, Texas, in Travis County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 30.2969, -97.8096.
What county is 78746 in?
78746 lies in Travis County.
What area code is 78746?
Austin uses area codes 512 and 737, from NANPA's telephone records.
What time zone is 78746 in?
78746 uses America/Chicago.
How many people live in 78746?
About 28,256 people live in ZIP code 78746, in 11,202 households, at 1,232.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 78746?
$188,414 a year, against $78,476 across Texas.
What ZIP codes are near 78746?
The closest are 78703 (2.6 mi), 73301 (3.1 mi), 73344 (3.1 mi), 78651 (3.1 mi) and 78708 (3.1 mi).
Is 78746 a PO Box ZIP code?
78746 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78746 ZIP Code — Austin, Texas (Travis County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78746
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78746.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.