US ZIP Code
78731

Austin, TX

Travis County  ·  Texas

● Active
👥 27,136 Population
💰 $102,886 Median HH Income
▲ 35% above avg ↑ 8% since 2019
🎂 41.7 Median Age ↑ 4% since 2019
🏠 $839,500 Median Home Value
▲ 201% above avg ↑ 32% since 2019
🎓 80.5% College Grads
▲ 108% above avg
📊 4.2% Unemployment
▼ 14% below avg ↑ 92% since 2019
ZIP Code Details
ZIP Code78731
CityAustin
StateTexas (TX)
CountyTravis County
Area Code512
Elevation657 ft
Latitude30.348244
Longitude-97.768139
TimezoneChicago (DST)
FIPS48453
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.7% (14,293) Female 47.3% (12,843) ♀

Race & Ethnicity

White: 72.1%Hispanic: 14.5%Black: 1.8%Asian: 8.3%Other: 3.1%Race
White72.1%
Hispanic14.5%
Black1.8%
Asian8.3%
Other3.1%

Age Breakdown

Under 5
3%
5–17
13%
18–24
7%
25–44
32%
45–64
27%
65+
7%

Key Indicators

Median Age41.7 yrs ↑ 4% since 2019
Avg Household Size1.91
Below Poverty7.1% ▼ 29% below avg
College Grads80.5% ▲ 108% above avg
Unemployment4.2% ▼ 14% below avg
No HS Diploma67 (0.4%)
HS Graduate1,299 (6.8%)
Some College745 (3.9%)
Associates1,607 (8.4%)
Bachelors611 (3.2%)
Graduate Degree14,711 (77.3%)

Education

No HS: 0.4%HS Grad: 6.8%Some College: 3.9%Associates: 8.4%Bachelors: 3.2%Graduate: 77.3%Edu
No HS0.4%
HS Grad6.8%
Some College3.9%
Associates8.4%
Bachelors3.2%
Graduate77.3%
Housing & Income

Housing Tenure

Owner: 53.4%Renter: 46.6%Tenure
Owner53.4%
Renter46.6%

Home Value Distribution

Under $50k
3%
$50k–100k
0%
$100k–150k
3%
$150k–200k
1%
$200k–300k
3%
$300k–500k
10%
Over $500k
79%

Financials

Median HH Income$102,886 ▲ 35% above avg ↑ 8% since 2019
Median Home Value$839,500 ▲ 201% above avg ↑ 32% since 2019
Home/Income Ratio8.2x (nat avg ~3.5x)
Median Rent$1,673/mo ↑ 29% since 2019
Total Units14,939
Vacant Units781
Avg HH Size1.91

Income Distribution

Under $25k
10%
$25k–50k
15%
$50k–75k
13%
$75k–100k
9%
$100k–150k
14%
$150k–200k
10%
Over $200k
29%
Employment & Commute

How People Get to Work

Drove Alone
63%
Public Transit
2%
Walked
0%
Work From Home
35%

Commute Time

Under 15 min
28%
15–30 min
54%
30–45 min
15%
Over 45 min
3%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
18%
1960s–1970s
20%
1980s–1990s
7%
2000+
54%

Summary

Total Units14,939
Vacant781
Owner Occupied53.4%
Renter Occupied46.6%
Avg HH Size1.91
Frequently Asked Questions
ZIP code 78731 is in Austin, TX, in Travis County.
ZIP code 78731 is located in Texas (TX).
ZIP code 78731 is in Travis County, TX.
ZIP 78731 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 78731 is 27,136 people (ACS 2023).
The median household income in ZIP code 78731 is $102,886 (ACS 2023).
The median home value in ZIP 78731 is $839,500 (ACS 2023).
About ZIP Code 78731

ZIP code 78731 is located in Austin, Texas, within Travis County. With a population of 27,136, this is a moderately populated ZIP code with a middle-aged community — the median age is 41.7 years. Economically, 78731 is a upper-middle-income ZIP code: the median household income of $102,886 is above the national average.

Real estate in ZIP code 78731 represents among the most expensive housing markets in the country. The median home value of $839,500 is more than double the national average. Renters can expect to pay around $1,673 per month in median rent. The area has a relatively balanced mix of owners (53.4%) and renters (46.6%). Median home values have increased by 32% since 2019.

The population of 78731 is primarily White (72.10%). Residents are highly educated — 80.5% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 7.1%. Household income has grown by 8% since 2019.

The unemployment rate in 78731 stands at 4.2%, which is near the national average. A notably high share of workers — 33% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 59%.

Overall, ZIP code 78731 in Austin, TX is characterized as upper-middle-income, highly educated, and a middle-aged community. With 27,136 residents, a median household income of $102,886, and a median home value of $839,500, it offers a clear picture of life in this part of Texas.