78742 ZIP Code — Austin, TX

Travis County, Texas

ZIP code 78742 is located in Austin, Texas, within Travis County. It covers approximately 5.91 square miles and serves a population of 1,241 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 512/737.

About ZIP code 78742

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Owner-occupancy sits near the national average at 69%.

Median household income is $67,500. The poverty rate of 7% is below the national average.

The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks. 28% of residents lack health insurance, above the national average.

1,241

population

5.91

sq mi land

Standard

ZIP type

Central (CT)

timezone

78742 ZIP code map

Cities in ZIP code 78742

Below are the cities the US Postal Service accepts for ZIP code 78742. Using any city not on this list may result in mail delivery delays.

City	Status
Austin	Preferred

Nearby ZIP codes

78721 Austin (2.4 mi) 78725 Austin (2.9 mi) 78741 Austin (3.4 mi) 78702 Austin (3.7 mi) 78724 Austin (4.6 mi) 78723 Austin (4.8 mi) 78722 Austin (5 mi) 78701 Austin (5.4 mi) 78774 Austin (5.4 mi) 78799 Austin (5.4 mi) 78772 Austin (5.4 mi) 78778 Austin (5.4 mi)

Demographics updated 06/2026

Population
Total population	1,241
Population density	210 / sq mi
State FIPS	48
County FIPS	453

Geography
Land area	5.91 sq mi
Water area	0.23 sq mi
Latitude	30.2399
Longitude	-97.6581
Timezone	Central (CT)
Area code	512/737

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.2%	30.7%	39.5%
$50k – $100k	58.6%	29.5%	30.1%
$100k – $200k	6.2%	27.7%	22.6%
Over $200k	0.0%	12.1%	7.8%

Demographics & statistics

1,241

Population

210

People per sq mi

25.4

Median age

$67,500

Median household income

$22,693

Per capita income

Median home value

$1,355

Median monthly rent

68.5%

Home ownership

7.3%

Poverty rate

0.3%

Unemployment

259

Housing units

11.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

108

20–24

25–34

126

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	452	36.4%
18 and over	789	63.6%
65 and over	85	6.8%
Median age	25.4 years

Race & ethnicity

Hispanic or Latino 35.7%

White 23.1%

Other race 20.8%

Two or more races 16%

Black or African American 4.5%

Group	Count	%
Hispanic or Latino	689	35.7%
White	445	23.1%
Other race	401	20.8%
Two or more races	308	16%
Black or African American	87	4.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	35.2%	30.7%	39.5%
$50k – $100k	58.6%	29.5%	30.1%
$100k – $200k	6.2%	27.7%	22.6%
Over $200k	0.0%	12.1%	7.8%

Under $10k 4.2%

$10k–$15k 3.4%

$25k–$35k 2.9%

$35k–$50k 28.6%

$50k–$75k 29.9%

$75k–$100k 10.8%

$100k–$150k 16.4%

$200k+ 3.7%

Range	% of households
Under $10k	4.2%
$10k–$15k	3.4%
$25k–$35k	2.9%
$35k–$50k	28.6%
$50k–$75k	29.9%
$75k–$100k	10.8%
$100k–$150k	16.4%
$200k+	3.7%
Median income	$67,500

Housing

Home values

Under $50k 49.8%

$50k–$100k 12.4%

$100k–$150k 7.3%

$150k–$200k 5.4%

$300k–$500k 16.2%

$500k–$1M 8.9%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$1,355
Owner occupied	68.5%
Renter occupied	31.5%
Vacant	0.0%
Single-family detached	48.9%
Large apartment buildings	0.0%
Mobile homes	38.6%
Median rooms	5.1
Avg household size (owned)	3.27

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	18.8%
1990–1999	32.3%
1980–1989	10.8%
1970–1979	5.3%
1960–1969	19.3%
1950–1959	10.1%
1940–1949	2.4%
1939 or earlier	1.1%

Bedrooms

Size	% of units
No bedroom (studio)	15.9%
1 bedroom	1.6%
2 bedrooms	29.1%
3 bedrooms	48.9%
4 bedrooms	4.5%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	6.3%
1 vehicle	26.7%
2 vehicles	27.0%
3 or more	39.9%

Heating fuel

Fuel type	%
Utility gas	21.4%
Electricity	61.4%
Propane / LP gas	10.8%
No fuel used	6.3%

Households & families

Household type	Count	%
Married-couple family	100	26.5%
Cohabiting couple	53	14.0%
Male householder, no spouse	136	36.0%
Female householder, no spouse	89	23.5%
Households with children under 18	160	42.3%
Households with seniors (65+)	58	15.3%
Average household size	3.28

Marital status

Status	Male	Female
Never married	45.9%	52.8%
Married	44.7%	19.4%
Separated	2.7%	16.4%
Widowed	3.2%	4.5%
Divorced	3.4%	6.9%

Education

Less than 9th grade 13.7%

Some HS, no diploma 15.6%

HS graduate 29.4%

Some college, no degree 30.2%

Associate's degree 0.0%

Bachelor's degree 9.9%

Graduate / professional 1.2%

Metric	%
HS diploma or higher	70.7%
Bachelor's or higher	11.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	17	4.9%
Kindergarten	0	0.0%
Elementary school	172	49.4%
High school	159	45.7%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 17.7%

Arts, food & hospitality 17.3%

Retail trade 17.0%

Professional & management 16.2%

Other services 7.9%

Manufacturing 7.5%

Construction 6.3%

Information 5.1%

Finance & real estate 4.3%

Wholesale trade 0.6%

Occupation

Category	%
Management, business & arts	19.1%
Service	23.3%
Sales & office	41.3%
Natural resources & construction	6.3%
Production & transportation	10.1%

Employment type

Type	%
Private sector	97.1%
Government	0.0%
Self-employed	2.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	65.3%
Carpool	27.0%
Public transit	0.0%
Walk	2.8%
Work from home	0.0%
Other means	4.9%
Avg commute (minutes)	23.6

Poverty

All people 7.3%

Under 18 years 5.1%

18 and over 8.5%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	22.5%
Retirement income	9.3%
Supplemental Security	8.2%
Cash public assistance	6.3%
Food stamps / SNAP	10.6%

Health indicators

Condition	%
Obesity	37.7%
High blood pressure	32.9%
High cholesterol	35.1%
Diabetes	14.6%
Heart disease	8.0%
Stroke	4.2%
Asthma	10.1%
Arthritis	22.8%
Kidney disease	3.9%
Pulmonary disease	8.8%
Cancer	5.1%

Behavior / access	%
Smoking	22.1%
Binge drinking	17.0%
No physical activity	35.3%
Less than 7 hrs sleep	34.0%
Depression	24.9%
Fair or poor health	28.4%
Poor mental health	17.9%
Poor physical health	15.7%
No health insurance	45.0%
Visited doctor (checkup)	68.1%
Visited dentist	39.1%
Cholesterol screening	83.3%
Teeth loss	26.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	35	4.4%

Disability	%
Any disability	14.6%
Under 18	7.5%
18–64 years	12.2%
65 and over	71.8%

Health insurance coverage

Type	%
Private insurance	45.7%
Public insurance	30.8%
No insurance	27.5%
Uninsured under 19	27.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,133	91.3%
Spanish	181	16.0%
Other Indo-European	181	16.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,078	86.9%
Born in same state	1,078	86.9%
Born in different state	844	68.0%
Foreign born	0	0.0%
Naturalized citizen	163	13.1%
Not a US citizen	29	17.8%

Ancestry

Ancestry	Count	%
Italian	70	5.6%
Dutch	32	2.6%
French	20	1.6%

Ancestry	Count	%
Polish	16	1.3%
Arab	16	1.3%

Technology access

Metric	% of households
Computer access	30.5%
Internet access	91.5%

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

Frequently asked questions about ZIP code 78742

What city is ZIP code 78742 in?

ZIP code 78742 is primarily assigned to Austin, Texas.

What county is ZIP code 78742 in?

ZIP code 78742 falls within Travis County, Texas.

Is ZIP code 78742 family-oriented?

36% of residents in ZIP code 78742 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 78742?

11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the population of ZIP code 78742?

ZIP code 78742 has an estimated population of 1,241 residents, with a density of 210 people per square mile.

What is the median household income in ZIP code 78742?

The median household income in ZIP code 78742 is $67,500, below the national median of ~$75,000.

What timezone is ZIP code 78742 in?

ZIP code 78742 observes the CST timezone.