78721 ZIP Code — Austin, TX

Travis County, Texas

ZIP code 78721 is located in Austin, Texas, within Travis County. It covers approximately 3.57 square miles and serves a population of 10,445 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 512.

About ZIP code 78721

The housing stock consists of a mix of housing types. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $436,900. Owner-occupancy sits near the national average at 50%.

The gap between median ($80,573) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 19% of residents, above the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 24 minutes is near the national average. Remote work is prevalent — 24% of workers work from home.

Educational attainment is high — 50% of residents hold a bachelor's degree or higher, well above the national average of 33%.

19% of residents lack health insurance, above the national average.

Overall, ZIP code 78721 reflects a community defined by economic challenges above the national average and a high rate of remote workers.

10,445

population

3.57

sq mi land

Standard

ZIP type

Central (CT)

timezone

78721 ZIP code map

Cities in ZIP code 78721

Below are the cities the US Postal Service accepts for ZIP code 78721. Using any city not on this list may result in mail delivery delays.

City	Status
Austin	Preferred

Nearby ZIP codes

78702 Austin (1.7 mi) 78742 Austin (2.4 mi) 78722 Austin (2.6 mi) 78723 Austin (2.6 mi) 78741 Austin (3 mi) 78712 Austin (3.2 mi) 78701 Austin (3.4 mi) 78778 Austin (3.5 mi) 78799 Austin (3.5 mi) 78779 Austin (3.5 mi) 78772 Austin (3.5 mi) 78773 Austin (3.5 mi)

Demographics updated 06/2026

Population
Total population	10,445
Population density	2,926 / sq mi
State FIPS	48
County FIPS	453

Geography
Land area	3.57 sq mi
Water area	0.00 sq mi
Latitude	30.2662
Longitude	-97.6848
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	44.5%	30.7%	39.5%
$50k – $100k	26.9%	29.5%	30.1%
$100k – $200k	21.1%	27.7%	22.6%
Over $200k	7.5%	12.1%	7.8%

Demographics & statistics

10,445

Population

2,926

People per sq mi

33.8

Median age

$80,573

Median household income

$46,418

Per capita income

$436,900

Median home value

$1,637

Median monthly rent

50.2%

Home ownership

18.5%

Poverty rate

3.0%

Unemployment

2,435

Housing units

49.7%

Bachelor's or higher

Age distribution

Male Female

339

Under 5

335

228

5–9

225

274

10–14

270

264

15–19

260

241

20–24

237

1,507

25–34

1,486

941

35–44

929

629

45–54

620

243

55–59

239

167

60–64

165

222

65–74

218

122

75–84

120

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,989	19.0%
18 and over	8,456	81.0%
65 and over	846	8.1%
Median age	33.8 years

Race & ethnicity

White 44.4%

Hispanic or Latino 17.5%

Black or African American 15.3%

Other race 11.4%

Two or more races 8.3%

Asian 2.1%

American Indian / Alaska Native 0.9%

Group	Count	%
White	5,624	44.4%
Hispanic or Latino	2,223	17.5%
Black or African American	1,939	15.3%
Other race	1,450	11.4%
Two or more races	1,057	8.3%
Asian	265	2.1%
American Indian / Alaska Native	110	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	44.5%	30.7%	39.5%
$50k – $100k	26.9%	29.5%	30.1%
$100k – $200k	21.1%	27.7%	22.6%
Over $200k	7.5%	12.1%	7.8%

Under $10k 4.6%

$10k–$15k 3.6%

$15k–$25k 12.2%

$25k–$35k 3.6%

$35k–$50k 8.4%

$50k–$75k 14.7%

$75k–$100k 11.0%

$100k–$150k 13.7%

$150k–$200k 14.8%

$200k+ 13.4%

Range	% of households
Under $10k	4.6%
$10k–$15k	3.6%
$15k–$25k	12.2%
$25k–$35k	3.6%
$35k–$50k	8.4%
$50k–$75k	14.7%
$75k–$100k	11.0%
$100k–$150k	13.7%
$150k–$200k	14.8%
$200k+	13.4%
Median income	$80,573

Housing

Home values

Under $50k 1.1%

$50k–$100k 2.3%

$100k–$150k 2.2%

$150k–$200k 2.5%

$200k–$300k 12.9%

$300k–$500k 46.6%

$500k–$1M 29.8%

$1M+ 2.7%

Housing overview

Metric	Value
Median home value	$436,900
Median rent / month	$1,637
Owner occupied	50.2%
Renter occupied	49.8%
Vacant	6.8%
Single-family detached	65.4%
Large apartment buildings	13.8%
Mobile homes	1.0%
Median rooms	4.7
Avg household size (owned)	2.19

Year built

Era	%
2020 or later	1.6%
2010–2019	26.3%
2000–2009	15.2%
1990–1999	7.2%
1980–1989	8.3%
1970–1979	8.8%
1960–1969	14.5%
1950–1959	10.1%
1940–1949	3.8%
1939 or earlier	4.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	13.7%
2 bedrooms	28.8%
3 bedrooms	46.5%
4 bedrooms	8.8%
5+ bedrooms	0.8%

Vehicles per household

Vehicles	% of households
No vehicle	11.1%
1 vehicle	40.9%
2 vehicles	31.9%
3 or more	16.1%

Heating fuel

Fuel type	%
Utility gas	56.8%
Electricity	40.9%
Propane / LP gas	0.7%
Solar	0.8%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	1,403	33.1%
Cohabiting couple	404	9.5%
Male householder, no spouse	868	20.5%
Female householder, no spouse	1,562	36.9%
Households with children under 18	988	23.3%
Households with seniors (65+)	680	16.0%
Average household size	2.43

Marital status

Status	Male	Female
Never married	48.7%	46.2%
Married	37.7%	32.6%
Separated	4.4%	3.7%
Widowed	1.0%	6.0%
Divorced	8.2%	11.5%

Education

Less than 9th grade 10.1%

Some HS, no diploma 4.9%

HS graduate 18.6%

Some college, no degree 14.6%

Associate's degree 2.1%

Bachelor's degree 32.6%

Graduate / professional 17.2%

Metric	%
HS diploma or higher	85.0%
Bachelor's or higher	49.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	257	11.6%
Kindergarten	47	2.1%
Elementary school	936	42.2%
High school	250	11.3%
College / grad school	727	32.8%

Employment

Industry of employment

Professional & management 23.3%

Education & healthcare 21.3%

Arts, food & hospitality 13.7%

Construction 9.0%

Retail trade 8.0%

Other services 5.3%

Finance & real estate 4.6%

Manufacturing 4.3%

Information 3.9%

Public administration 3.1%

Transportation & utilities 2.8%

Wholesale trade 0.6%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	57.6%
Service	18.5%
Sales & office	10.8%
Natural resources & construction	8.2%
Production & transportation	5.0%

Employment type

Type	%
Private sector	82.3%
Government	12.0%
Self-employed	5.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	56.4%
Carpool	8.6%
Public transit	2.6%
Walk	0.5%
Work from home	23.6%
Other means	8.3%
Avg commute (minutes)	23.8

Poverty

All people 18.5%

Under 18 years 30.3%

18 and over 15.8%

Married-couple families 8.8%

Female-led households 29.2%

Income support

Source	% of households
Social Security	19.5%
Retirement income	10.4%
Supplemental Security	8.4%
Cash public assistance	2.4%
Food stamps / SNAP	14.8%

Health indicators

Condition	%
Obesity	36.1%
High blood pressure	31.4%
High cholesterol	30.8%
Diabetes	12.7%
Heart disease	5.4%
Stroke	3.4%
Asthma	9.9%
Arthritis	18.9%
Kidney disease	3.2%
Pulmonary disease	5.1%
Cancer	4.4%

Behavior / access	%
Smoking	16.2%
Binge drinking	17.1%
No physical activity	27.4%
Less than 7 hrs sleep	34.4%
Depression	21.7%
Fair or poor health	20.7%
Poor mental health	15.9%
Poor physical health	11.5%
No health insurance	33.5%
Visited doctor (checkup)	70.8%
Visited dentist	49.4%
Cholesterol screening	86.5%
Teeth loss	18.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	268	3.2%

Disability	%
Any disability	12.6%
Under 18	13.3%
18–64 years	9.2%
65 and over	42.0%

Health insurance coverage

Type	%
Private insurance	63.5%
Public insurance	22.8%
No insurance	19.4%
Uninsured under 19	23.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,771	93.5%
Spanish	1,008	10.3%
Other Indo-European	1,001	10.2%
Asian & Pacific Islander	0	0.0%
Other languages	7	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,666	83.0%
Born in same state	8,420	80.6%
Born in different state	5,591	53.5%
Foreign born	246	2.4%
Naturalized citizen	1,779	17.0%
Not a US citizen	458	25.7%

Ancestry

Ancestry	Count	%
Italian	915	8.8%
French	373	3.6%
Arab	317	3%
Polish	114	1.1%

Ancestry	Count	%
Irish	66	0.6%
English	48	0.5%
German	24	0.2%
Norwegian	17	0.2%

Technology access

Metric	% of households
Computer access	40.6%
Internet access	94.9%

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

Frequently asked questions about ZIP code 78721

What city is ZIP code 78721 in?

ZIP code 78721 is primarily assigned to Austin, Texas.

What county is ZIP code 78721 in?

ZIP code 78721 falls within Travis County, Texas.

What is the poverty rate in ZIP code 78721?

19% of residents in ZIP code 78721 live below the poverty line, above the national average.

How educated is the population of ZIP code 78721?

50% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 78721?

The median home value in ZIP code 78721 is $436,900.

What is the population of ZIP code 78721?

ZIP code 78721 has an estimated population of 10,445 residents, with a density of 2,927 people per square mile.

What timezone is ZIP code 78721 in?

ZIP code 78721 observes the CST timezone.