78729 ZIP Code — Austin, TX

Williamson County, Texas

ZIP code 78729 is located in Austin, Texas, within Williamson County. It covers approximately 9.81 square miles and serves a population of 31,309 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 512.

About ZIP code 78729

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $381,600. Renters make up the majority at 58%, typical of denser urban areas.

The gap between median ($78,889) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 26 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.

Educational attainment is high — 62% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 78729 reflects a community defined by a highly educated population and a high rate of remote workers.

31,309

population

9.81

sq mi land

Standard

ZIP type

Central (CT)

timezone

78729 ZIP code map

Cities in ZIP code 78729

Below are the cities the US Postal Service accepts for ZIP code 78729. Using any city not on this list may result in mail delivery delays.

City	Status
Austin	Acceptable
Austin	Preferred

Nearby ZIP codes

78717 Austin (2.7 mi) 78727 Austin (2.8 mi) 78728 Austin (3.5 mi) 78759 Austin (4 mi) 78750 Austin (4.1 mi) 78613 Cedar Park (4.5 mi) 78681 Round Rock (4.7 mi) 78681 Round Rock (4.7 mi) 78726 Austin (5.5 mi) 78758 Austin (5.8 mi) 78682 Round Rock (6.7 mi) 78753 Austin (7.1 mi)

Demographics updated 06/2026

Population
Total population	31,309
Population density	3,192 / sq mi
State FIPS	48
County FIPS	491

Geography
Land area	9.81 sq mi
Water area	0.05 sq mi
Latitude	30.4559
Longitude	-97.7574
Timezone	Central (CT)
Area code	512

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.0%	23.0%	39.5%
$50k – $100k	34.5%	30.5%	30.1%
$100k – $200k	30.5%	34.7%	22.6%
Over $200k	7.1%	11.8%	7.8%

Demographics & statistics

31,309

Population

3,192

People per sq mi

34.7

Median age

$78,889

Median household income

$51,134

Per capita income

$381,600

Median home value

$1,489

Median monthly rent

42.3%

Home ownership

6.8%

Poverty rate

3.8%

Unemployment

7,224

Housing units

61.9%

Bachelor's or higher

Age distribution

Male Female

977

Under 5

851

710

5–9

618

821

10–14

715

801

15–19

698

1,136

20–24

989

4,037

25–34

3,514

2,909

35–44

2,531

2,404

45–54

2,093

744

55–59

648

603

60–64

524

1,049

65–74

913

429

75–84

374

118

85+

103

← Male

Female →

Age summary

Group	Count	%
Under 18	5,637	18.0%
18 and over	25,672	82.0%
65 and over	2,986	9.5%
Median age	34.7 years

Race & ethnicity

White 56%

Asian 12%

Two or more races 9.9%

Hispanic or Latino 9.2%

Black or African American 8.8%

Other race 3.7%

American Indian / Alaska Native 0.3%

Group	Count	%
White	19,304	56%
Asian	4,148	12%
Two or more races	3,419	9.9%
Hispanic or Latino	3,172	9.2%
Black or African American	3,047	8.8%
Other race	1,284	3.7%
American Indian / Alaska Native	107	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.0%	23.0%	39.5%
$50k – $100k	34.5%	30.5%	30.1%
$100k – $200k	30.5%	34.7%	22.6%
Over $200k	7.1%	11.8%	7.8%

Under $10k 4.2%

$10k–$15k 0.9%

$15k–$25k 4.5%

$25k–$35k 5.3%

$35k–$50k 9.2%

$50k–$75k 22.8%

$75k–$100k 11.7%

$100k–$150k 16.7%

$150k–$200k 11.6%

$200k+ 13.1%

Range	% of households
Under $10k	4.2%
$10k–$15k	0.9%
$15k–$25k	4.5%
$25k–$35k	5.3%
$35k–$50k	9.2%
$50k–$75k	22.8%
$75k–$100k	11.7%
$100k–$150k	16.7%
$150k–$200k	11.6%
$200k+	13.1%
Median income	$78,889

Housing

Home values

Under $50k 2.0%

$100k–$150k 0.2%

$150k–$200k 1.9%

$200k–$300k 10.8%

$300k–$500k 64.6%

$500k–$1M 20.5%

Housing overview

Metric	Value
Median home value	$381,600
Median rent / month	$1,489
Owner occupied	42.3%
Renter occupied	57.7%
Vacant	6.7%
Single-family detached	43.1%
Large apartment buildings	18.0%
Mobile homes	0.1%
Median rooms	4.5
Avg household size (owned)	2.40

Year built

Era	%
2020 or later	0.0%
2010–2019	14.2%
2000–2009	17.5%
1990–1999	26.1%
1980–1989	31.3%
1970–1979	10.5%
1960–1969	0.3%
1950–1959	0.1%
1940–1949	0.0%
1939 or earlier	0.1%

Bedrooms

Size	% of units
No bedroom (studio)	4.3%
1 bedroom	23.6%
2 bedrooms	22.3%
3 bedrooms	30.6%
4 bedrooms	17.8%
5+ bedrooms	1.4%

Vehicles per household

Vehicles	% of households
No vehicle	2.7%
1 vehicle	42.9%
2 vehicles	43.5%
3 or more	10.9%

Heating fuel

Fuel type	%
Utility gas	39.3%
Electricity	59.3%
Propane / LP gas	1.1%
Wood	0.1%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	6,102	41.8%
Cohabiting couple	1,204	8.2%
Male householder, no spouse	3,723	25.5%
Female householder, no spouse	3,568	24.4%
Households with children under 18	3,743	25.6%
Households with seniors (65+)	2,034	13.9%
Average household size	2.14

Marital status

Status	Male	Female
Never married	42.5%	34.5%
Married	46.9%	52.2%
Separated	1.1%	1.1%
Widowed	1.2%	3.0%
Divorced	8.3%	9.2%

Education

Less than 9th grade 0.9%

Some HS, no diploma 2.7%

HS graduate 9.3%

Some college, no degree 19.7%

Associate's degree 5.4%

Bachelor's degree 39.6%

Graduate / professional 22.4%

Metric	%
HS diploma or higher	96.4%
Bachelor's or higher	61.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	565	8.8%
Kindergarten	375	5.8%
Elementary school	2,143	33.3%
High school	1,267	19.7%
College / grad school	2,079	32.3%

Employment

Industry of employment

Professional & management 21.7%

Education & healthcare 19.2%

Retail trade 12.1%

Manufacturing 9.8%

Finance & real estate 6.7%

Construction 6.1%

Public administration 5.3%

Transportation & utilities 5.0%

Arts, food & hospitality 4.7%

Other services 4.6%

Information 3.0%

Wholesale trade 1.2%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	58.9%
Service	7.7%
Sales & office	19.1%
Natural resources & construction	4.9%
Production & transportation	9.5%

Employment type

Type	%
Private sector	81.6%
Government	12.9%
Self-employed	5.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.7%
Carpool	5.0%
Public transit	0.2%
Walk	0.4%
Work from home	21.4%
Other means	1.3%
Avg commute (minutes)	25.8

Poverty

All people 6.8%

Under 18 years 6.7%

18 and over 6.8%

Married-couple families 2.5%

Female-led households 28.1%

Income support

Source	% of households
Social Security	14.0%
Retirement income	11.5%
Supplemental Security	1.2%
Cash public assistance	1.8%
Food stamps / SNAP	4.3%

Health indicators

Condition	%
Obesity	28.5%
High blood pressure	23.4%
High cholesterol	27.8%
Diabetes	6.6%
Heart disease	3.2%
Stroke	1.5%
Asthma	8.3%
Arthritis	15.7%
Kidney disease	1.7%
Pulmonary disease	3.4%
Cancer	4.1%

Behavior / access	%
Smoking	12.1%
Binge drinking	22.9%
No physical activity	15.9%
Less than 7 hrs sleep	30.8%
Depression	21.2%
Fair or poor health	9.2%
Poor mental health	14.0%
Poor physical health	7.0%
No health insurance	18.8%
Visited doctor (checkup)	67.2%
Visited dentist	65.5%
Cholesterol screening	88.4%
Teeth loss	8.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,224	4.8%

Disability	%
Any disability	8.2%
Under 18	3.6%
18–64 years	6.9%
65 and over	27.5%

Health insurance coverage

Type	%
Private insurance	78.4%
Public insurance	16.3%
No insurance	11.5%
Uninsured under 19	7.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	29,481	94.2%
Spanish	2,222	7.5%
Other Indo-European	776	2.6%
Asian & Pacific Islander	610	2.1%
Other languages	790	2.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	25,500	81.4%
Born in same state	24,938	79.7%
Born in different state	15,129	48.3%
Foreign born	562	1.8%
Naturalized citizen	5,809	18.6%
Not a US citizen	2,702	46.5%

Ancestry

Ancestry	Count	%
Italian	2,721	8.7%
French	2,528	8.1%
Arab	1,577	5%
English	369	1.2%
Irish	239	0.8%

Ancestry	Count	%
Polish	205	0.7%
Dutch	107	0.3%
German	69	0.2%
Norwegian	40	0.1%

Technology access

Metric	% of households
Computer access	46.6%
Internet access	99.2%

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

Frequently asked questions about ZIP code 78729

What city is ZIP code 78729 in?

ZIP code 78729 is primarily assigned to Austin, Texas.

What county is ZIP code 78729 in?

ZIP code 78729 falls within Williamson County, Texas.

How educated is the population of ZIP code 78729?

62% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 78729 mostly rentals?

58% of occupied units in ZIP code 78729 are renter-occupied.

What is the typical home value in ZIP code 78729?

The median home value in ZIP code 78729 is $381,600.

What is the population of ZIP code 78729?

ZIP code 78729 has an estimated population of 31,309 residents, with a density of 3,191 people per square mile.

What timezone is ZIP code 78729 in?

ZIP code 78729 observes the CST timezone.