78734 ZIP Code — Austin, TX

Travis County, Texas

ZIP code 78734 is located in Austin, Texas, within Travis County. It covers approximately 18.94 square miles and serves a population of 21,685 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 512.

About ZIP code 78734

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $571,100. Owner-occupancy is high at 82%, well above the national average.

The gap between median ($125,074) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 31 minutes is near the national average. Remote work is prevalent — 35% of workers work from home.

Educational attainment is high — 60% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 78734 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

21,685

population

18.94

sq mi land

Standard

ZIP type

Central (CT)

timezone

78734 ZIP code map

Cities in ZIP code 78734

Below are the cities the US Postal Service accepts for ZIP code 78734. Using any city not on this list may result in mail delivery delays.

City	Status
Austin	Acceptable
Austin	Preferred

Nearby ZIP codes

78732 Austin (3.7 mi) 78645 Leander (4.2 mi) 78738 Austin (5.9 mi) 78733 Austin (6.1 mi) 78730 Austin (7.3 mi) 78726 Austin (7.4 mi) 78736 Austin (8.7 mi) 78750 Austin (9.2 mi) 78735 Austin (9.6 mi) 78746 Austin (10.4 mi) 78669 Spicewood (10.5 mi) 78641 Leander (10.8 mi)

Demographics updated 05/2026

Population
Total population	21,685
Population density	1,145 / sq mi
State FIPS	48
County FIPS	453

Geography
Land area	18.94 sq mi
Water area	4.26 sq mi
Latitude	30.3822
Longitude	-97.9564
Timezone	Central (CT)
Area code	512

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.0%	30.7%	39.5%
$50k – $100k	23.9%	29.5%	30.1%
$100k – $200k	34.5%	27.7%	22.6%
Over $200k	22.5%	12.1%	7.8%

Demographics & statistics

21,685

Population

1,145

People per sq mi

50.1

Median age

$125,074

Median household income

$74,602

Per capita income

$571,100

Median home value

$1,933

Median monthly rent

82.0%

Home ownership

6.0%

Poverty rate

3.6%

Unemployment

8,729

Housing units

60.2%

Bachelor's or higher

Age distribution

Male Female

456

Under 5

450

619

5–9

610

591

10–14

582

719

15–19

709

230

20–24

226

803

25–34

791

1,203

35–44

1,186

1,961

45–54

1,932

911

55–59

898

910

60–64

897

1,617

65–74

1,594

666

75–84

656

236

85+

232

← Male

Female →

Age summary

Group	Count	%
Under 18	4,336	20.0%
18 and over	17,349	80.0%
65 and over	5,001	23.1%
Median age	50.1 years

Race & ethnicity

White 78.4%

Two or more races 7.8%

Hispanic or Latino 7.1%

Asian 3%

Black or African American 2.1%

Other race 1.5%

American Indian / Alaska Native 0.1%

Group	Count	%
White	18,304	78.4%
Two or more races	1,829	7.8%
Hispanic or Latino	1,656	7.1%
Asian	696	3%
Black or African American	490	2.1%
Other race	341	1.5%
American Indian / Alaska Native	25	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.0%	30.7%	39.5%
$50k – $100k	23.9%	29.5%	30.1%
$100k – $200k	34.5%	27.7%	22.6%
Over $200k	22.5%	12.1%	7.8%

Under $10k 2.5%

$10k–$15k 0.9%

$15k–$25k 3.3%

$25k–$35k 3.2%

$35k–$50k 6.1%

$50k–$75k 15.8%

$75k–$100k 8.9%

$100k–$150k 16.5%

$150k–$200k 11.3%

$200k+ 31.5%

Range	% of households
Under $10k	2.5%
$10k–$15k	0.9%
$15k–$25k	3.3%
$25k–$35k	3.2%
$35k–$50k	6.1%
$50k–$75k	15.8%
$75k–$100k	8.9%
$100k–$150k	16.5%
$150k–$200k	11.3%
$200k+	31.5%
Median income	$125,074

Housing

Home values

Under $50k 1.1%

$50k–$100k 1.1%

$100k–$150k 0.4%

$150k–$200k 1.7%

$200k–$300k 7.0%

$300k–$500k 30.1%

$500k–$1M 41.0%

$1M+ 17.5%

Housing overview

Metric	Value
Median home value	$571,100
Median rent / month	$1,933
Owner occupied	82.0%
Renter occupied	18.0%
Vacant	10.1%
Single-family detached	78.9%
Large apartment buildings	4.6%
Mobile homes	4.7%
Median rooms	6.2
Avg household size (owned)	2.30

Year built

Era	%
2020 or later	0.1%
2010–2019	18.7%
2000–2009	24.8%
1990–1999	21.2%
1980–1989	20.9%
1970–1979	10.8%
1960–1969	2.1%
1950–1959	0.6%
1940–1949	0.2%
1939 or earlier	0.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.7%
1 bedroom	6.3%
2 bedrooms	12.7%
3 bedrooms	47.1%
4 bedrooms	24.7%
5+ bedrooms	6.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.8%
1 vehicle	25.7%
2 vehicles	44.5%
3 or more	27.9%

Heating fuel

Fuel type	%
Utility gas	13.8%
Electricity	72.2%
Propane / LP gas	12.5%
Solar	1.2%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	5,373	57.4%
Cohabiting couple	513	5.5%
Male householder, no spouse	1,546	16.5%
Female householder, no spouse	1,930	20.6%
Households with children under 18	2,558	27.3%
Households with seniors (65+)	3,437	36.7%
Average household size	2.30

Marital status

Status	Male	Female
Never married	21.2%	18.3%
Married	60.9%	58.2%
Separated	0.4%	1.7%
Widowed	4.5%	8.6%
Divorced	13.0%	13.1%

Education

Less than 9th grade 2.5%

Some HS, no diploma 2.1%

HS graduate 12.0%

Some college, no degree 19.8%

Associate's degree 3.4%

Bachelor's degree 38.2%

Graduate / professional 22.0%

Metric	%
HS diploma or higher	95.5%
Bachelor's or higher	60.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	318	7.0%
Kindergarten	279	6.2%
Elementary school	1,899	42.1%
High school	1,324	29.3%
College / grad school	692	15.3%

Employment

Industry of employment

Professional & management 22.6%

Education & healthcare 18.6%

Retail trade 8.7%

Manufacturing 8.1%

Finance & real estate 7.8%

Arts, food & hospitality 7.1%

Construction 6.9%

Other services 5.1%

Public administration 4.9%

Transportation & utilities 3.3%

Information 3.2%

Wholesale trade 2.8%

Agriculture & mining 1.0%

Occupation

Category	%
Management, business & arts	57.0%
Service	11.5%
Sales & office	23.7%
Natural resources & construction	4.1%
Production & transportation	3.6%

Employment type

Type	%
Private sector	79.9%
Government	9.2%
Self-employed	10.7%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	56.6%
Carpool	6.6%
Public transit	0.0%
Walk	0.7%
Work from home	35.1%
Other means	1.0%
Avg commute (minutes)	31.1

Poverty

All people 6.0%

Under 18 years 7.3%

18 and over 5.6%

Married-couple families 2.1%

Female-led households 25.4%

Income support

Source	% of households
Social Security	32.8%
Retirement income	26.3%
Supplemental Security	1.8%
Cash public assistance	0.8%
Food stamps / SNAP	1.6%

Health indicators

Condition	%
Obesity	26.7%
High blood pressure	27.1%
High cholesterol	35.6%
Diabetes	7.7%
Heart disease	5.2%
Stroke	2.2%
Asthma	8.1%
Arthritis	20.0%
Kidney disease	2.4%
Pulmonary disease	4.4%
Cancer	6.8%

Behavior / access	%
Smoking	10.7%
Binge drinking	19.5%
No physical activity	14.7%
Less than 7 hrs sleep	27.3%
Depression	21.8%
Fair or poor health	9.9%
Poor mental health	12.3%
Poor physical health	7.9%
No health insurance	14.7%
Visited doctor (checkup)	70.9%
Visited dentist	70.1%
Cholesterol screening	92.6%
Teeth loss	6.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,326	7.6%

Disability	%
Any disability	9.0%
Under 18	2.0%
18–64 years	6.5%
65 and over	21.5%

Health insurance coverage

Type	%
Private insurance	80.3%
Public insurance	29.9%
No insurance	7.2%
Uninsured under 19	6.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	20,779	95.8%
Spanish	997	4.8%
Other Indo-European	838	4.0%
Asian & Pacific Islander	77	0.4%
Other languages	82	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,401	89.5%
Born in same state	19,165	88.4%
Born in different state	10,436	48.1%
Foreign born	236	1.1%
Naturalized citizen	2,284	10.5%
Not a US citizen	1,115	48.8%

Ancestry

Ancestry	Count	%
French	2,724	12.6%
Italian	2,646	12.2%
Arab	813	3.7%
English	721	3.3%
Polish	574	2.6%

Ancestry	Count	%
Dutch	134	0.6%
German	96	0.4%
Irish	69	0.3%
Norwegian	61	0.3%

Technology access

Metric	% of households
Computer access	43.2%
Internet access	98.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 78734

What city is ZIP code 78734 in?

ZIP code 78734 is primarily assigned to Austin, Texas.

What county is ZIP code 78734 in?

ZIP code 78734 falls within Travis County, Texas.

How educated is the population of ZIP code 78734?

60% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 78734 mostly owner-occupied?

82% of occupied units in ZIP code 78734 are owner-occupied, well above the national average.

What is the median household income in ZIP code 78734?

The median household income in ZIP code 78734 is $125,074, above the national median of ~$75,000.

What is the typical home value in ZIP code 78734?

The median home value in ZIP code 78734 is $571,100.

What timezone is ZIP code 78734 in?

ZIP code 78734 observes the CST timezone.