Zip code 78731: Austin, Texas

Q: What city is zip code 78731?

78731 is assigned to Austin, Texas. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 78731 in?

78731 is in Travis County, Texas.

Q: What is the population of 78731?

About 27,507 people live in 78731, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 78731?

The median household income in 78731 is $105,494.

Q: What zip codes are near 78731?

The closest zip codes to 78731 are 73301, 73344, 78651, 78708, 78709.

Residential delivery areaTravis CountyCentral Time

Population

27,507

Median household income

$105K

U.S. $81K

Median home value

$903K

U.S. $333K

Median rent

$1,737/mo

U.S. $1,413

Median age

42.3

U.S. 38.9

Land area

8.8 sq mi

3,145 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 78731

78731 is an urban zip code in Austin, Texas (Travis County), covering 8.8 sq mi of land. About 27,507 people live here, or 3,145 per square mile. The median resident is 42.3 years old, compared with 38.9 nationally.

The median household earns $105,494 a year, 31% above the national median of $80,734. 6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $903,200, or 8.6 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 53% of occupied homes are lived in by their owners, and renters pay a median of $1,737 a month.

78% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 20.9 minutes each way, and 39% of workers work from home. The most common jobs among working residents are in management; computer and math (tech); and education.

How 78731 compares

Sorted from highest to lowest national percentile

Work from home39.1%
99th
U.S. 15.1% · TX 14.4%22nd of 1,810 in TX
Bachelor's degree or higher78.3%
98th
StrengthU.S. 35.7% · TX 33.8%22nd of 1,811 in TX
Tech workers11.5%
98th
U.S. 3.8% · TX 3.8%31st of 1,810 in TX
Per capita income$94,483
97th
StrengthU.S. $44,673 · TX $40,75234th of 1,813 in TX
Income inequality (Gini)0.527
95th
WeaknessU.S. 0.483 · TX 0.478103rd of 1,785 in TX
Median home value$903,200
94th
U.S. $332,700 · TX $283,80017th of 1,679 in TX
Median earnings per worker$77,493
92nd
StrengthU.S. $49,666 · TX $47,57583rd of 1,794 in TX
Self-employed workers13.9%
87th
U.S. 10% · TX 10.5%488th of 1,810 in TX
Broadband access95.2%
78th
U.S. 91% · TX 91.4%339th of 1,792 in TX
Median household income$105,494
76th
U.S. $80,734 · TX $78,476223rd of 1,712 in TX
Median age42.3
73rd
U.S. 38.9 · TX 35.6527th of 1,817 in TX
Median gross rent$1,737
70th
U.S. $1,413 · TX $1,403209th of 1,511 in TX
Residents 65 and older19.3%
69th
U.S. 17.2% · TX 13.4%627th of 1,818 in TX
Population density3,145/sq mi
68th
U.S. 95/sq mi · TX 116/sq mi296th of 1,818 in TX
Foreign-born residents11.7%
56th
U.S. 14.1% · TX 17.6%698th of 1,818 in TX
Government workers14.4%
56th
U.S. 14.5% · TX 14.1%969th of 1,810 in TX
Uninsured rate7.4%
55th
U.S. 8.4% · TX 17.1%1,569th of 1,808 in TX
Rent-burdened renters49.7%
46th
U.S. 51.1% · TX 51.7%769th of 1,692 in TX
Unemployment rate4.6%
45th
U.S. 5.2% · TX 5.3%845th of 1,810 in TX
Population27,507
44th
U.S. 334,922,499 · TX 30,188,424439th of 1,818 in TX
Diversity index43.8
41st
U.S. 61.4 · TX 67.11,110th of 1,818 in TX
Housing vacancy5.4%
37th
U.S. 10.1% · TX 9.4%1,495th of 1,794 in TX
Homeownership rate53.1%
22nd
U.S. 65.2% · TX 62.6%1,508th of 1,792 in TX
Veterans3.6%
21st
U.S. 6.2% · TX 6.2%1,460th of 1,818 in TX
Poverty rate6%
19th
StrengthU.S. 12.5% · TX 13.8%1,478th of 1,794 in TX
Healthcare workers7.3%
19th
U.S. 9.7% · TX 8.6%1,037th of 1,810 in TX
Average commute20.9 min
17th
StrengthU.S. 26.4 min · TX 26.7 min1,387th of 1,738 in TX
Residents under 1815.9%
10th
U.S. 22% · TX 25%1,579th of 1,818 in TX

Measure	78731	Travis	TX	U.S.	National percentile	Rank in TX
Work from home	39.1%	30.2%	14.4%	15.1%	99th	22nd of 1,810
Bachelor's degree or higherStrength	78.3%	56.6%	33.8%	35.7%	98th	22nd of 1,811
Tech workers	11.5%	8.3%	3.8%	3.8%	98th	31st of 1,810
Per capita incomeStrength	$94,483	$62,607	$40,752	$44,673	97th	34th of 1,813
Income inequality (Gini)Weakness	0.527	0.485	0.478	0.483	95th	103rd of 1,785
Median home value	$903,200	$523,000	$283,800	$332,700	94th	17th of 1,679
Median earnings per workerStrength	$77,493	$61,288	$47,575	$49,666	92nd	83rd of 1,794
Self-employed workers	13.9%	11.4%	10.5%	10%	87th	488th of 1,810
Broadband access	95.2%	94.3%	91.4%	91%	78th	339th of 1,792
Median household income	$105,494	$99,611	$78,476	$80,734	76th	223rd of 1,712
Median age	42.3	35.6	35.6	38.9	73rd	527th of 1,817
Median gross rent	$1,737	$1,744	$1,403	$1,413	70th	209th of 1,511
Residents 65 and older	19.3%	11%	13.4%	17.2%	69th	627th of 1,818
Population density	3,145/sq mi	1,338/sq mi	116/sq mi	95/sq mi	68th	296th of 1,818
Foreign-born residents	11.7%	18.1%	17.6%	14.1%	56th	698th of 1,818
Government workers	14.4%	14.7%	14.1%	14.5%	56th	969th of 1,810
Uninsured rate	7.4%	12.1%	17.1%	8.4%	55th	1,569th of 1,808
Rent-burdened renters	49.7%	48.5%	51.7%	51.1%	46th	769th of 1,692
Unemployment rate	4.6%	4.6%	5.3%	5.2%	45th	845th of 1,810
Population	27,507	1,330,015	30,188,424	334,922,499	44th	439th of 1,818
Diversity index	43.8	66	67.1	61.4	41st	1,110th of 1,818
Housing vacancy	5.4%	5.6%	9.4%	10.1%	37th	1,495th of 1,794
Homeownership rate	53.1%	52.1%	62.6%	65.2%	22nd	1,508th of 1,792
Veterans	3.6%	4.4%	6.2%	6.2%	21st	1,460th of 1,818
Poverty rateStrength	6%	10.9%	13.8%	12.5%	19th	1,478th of 1,794
Healthcare workers	7.3%	6.6%	8.6%	9.7%	19th	1,037th of 1,810
Average commuteStrength	20.9 min	25.2 min	26.7 min	26.4 min	17th	1,387th of 1,738
Residents under 18	15.9%	20.2%	25%	22%	10th	1,579th of 1,818

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

13%

5–17

18–24

16%

25–34

14%

35–44

13%

45–54

13%

55–64

10%

65–74

10%

75+

Median age

42.3

Under 18

15.9%

65 and over

19.3%

Race and ethnicity

White73%
Black2%
Hispanic13%
Asian8%
Native American0%
Pacific Islander0.3%
Other0%
Multiracial4%

Diversity index

43.8

U.S. 61.4

Foreign-born

11.7%

U.S. 14.1%

Born in state

44.4%

Language spoken at home (households)

English only

80%

Spanish

Other Indo-European

Asian / Pacific

Other

0.4%

Households

Households: 14,343
Average household size: 1.9
Family households: 47.8%
Married couples: 40.7%
Living alone: 40%
Veterans (of adults): 3.6%
Male / female: 53% / 47%

Income and poverty

Household income distribution

<$25k

10%

$25–50k

14%

$50–75k

14%

$75–100k

10%

$100–150k

13%

$150–200k

10%

$200k+

29%

Median household income

78731

$105,494

Travis Co.

$99,611

Texas

$78,476

United States

$80,734

Per capita income

$94,483

U.S. $44,673

Poverty rate

U.S. 12.5%

Households earning $150K+

38.9%

U.S. 23%

Income inequality (Gini)

0.527

U.S. 0.483

Housing

Median home value

78731

$903,200

Travis Co.

$523,000

Texas

$283,800

United States

$332,700

Median gross rent

78731

$1,737

Travis Co.

$1,744

Texas

$1,403

United States

$1,413

Types of housing

Single-family

55%

2–4 units

5–19 units

21%

20+ units

18%

Mobile home

0.3%

Boat, RV, van

0.1%

Housing units: 15,163
Owner-occupied: 53.1%
Vacant: 5.4%
Median year built: 1980
Median rooms: 5
Renters paying 30%+ of income: 49.7%
Renters paying 50%+ of income: 18.6%
Home value to income: 8.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

54%

Carpooled

Transit

Walked

0.0%

Bicycle

Worked from home

39%

Other

Commute time (one way)

<10 min

14%

10–19

39%

20–29

27%

30–44

14%

45–59

60+

Average commute

20.9 min

U.S. 26.4 min

Unemployment

4.6%

U.S. 5.2%

In labor force

68.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

17%

Computer and math

11%

Education

Engineering and science

Sales

Business and finance

Healthcare

Legal and social services

Office and admin

Arts, media and sports

Food service

Cleaning and personal care

Transportation and moving

Construction and repair

Production

Police and fire

0.5%

Farming, fishing and forestry

Industries

Professional and technical services

29%

Finance, insurance and real estate

11%

Education

10%

Health care and social assistance

Manufacturing

Retail

Public administration

Restaurants and hotels

Information

Construction

Admin, support and management

Transportation, warehousing and utilities

Other services

Arts and recreation

Wholesale

Agriculture and mining

0.3%

Median earnings per worker

$77,493

U.S. $49,666

Self-employed

13.9%

U.S. 10%

Government workers

14.4%

U.S. 14.5%

Nonprofit workers

6.7%

U.S. 8.8%

Median earnings by type of work

Type of work	78731	U.S.
Management, business, science and arts	$96,652	$74,888
Service	$23,374	$26,804
Sales and office	$55,672	$40,476
Construction and maintenance	$75,761	$49,199
Production and transportation	$33,724	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

Some college

10%

Associate's

Bachelor's

38%

Graduate

40%

High school graduate or higher: 98.6%
Bachelor's degree or higher: 78.3%
Graduate or professional degree: 40.3%
Households with broadband: 95.2%
Cable, fiber or DSL: 88.4%
No internet access: 1.3%
Without health insurance: 7.4%
Limited-English households: 2.9%

Geography

City (USPS): Austin
State: Texas
County: Travis County
Center point: 30.3482° N, 97.7681° W
Land area: 8.8 sq mi
Water area: 0.2 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Austin100% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 78731

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
73301	Austin, TX · PO box	1.5 mi	—	—	—
73344	Austin, TX · PO box	1.5 mi	—	—	—
78651	Mc Neil, TX · PO box	1.5 mi	—	—	—
78708	Austin, TX · PO box	1.5 mi	—	—	—
78709	Austin, TX · PO box	1.5 mi	—	—	—
78711	Austin, TX · PO box	1.5 mi	—	—	—
78718	Austin, TX · PO box	1.5 mi	—	—	—
78720	Austin, TX · PO box	1.5 mi	—	—	—
78755	Austin, TX · PO box	1.5 mi	—	—	—
78760	Austin, TX · PO box	1.5 mi	—	—	—
78761	Austin, TX · PO box	1.5 mi	—	—	—
78762	Austin, TX · PO box	1.5 mi	—	—	—

Zip codes like 78731 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 78731

What city is zip code 78731?

78731 is assigned to Austin, Texas. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 78731 in?

78731 is in Travis County, Texas.

What is the population of 78731?

About 27,507 people live in 78731, according to the Census Bureau's American Community Survey.

What time zone is 78731 in?

78731 is in Central Time.

What is the median household income in 78731?

The median household income in 78731 is $105,494.

What zip codes are near 78731?

The closest zip codes to 78731 are 73301, 73344, 78651, 78708, 78709.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 78731, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.