Liberty Hill ZIP Code List — Williamson County, TX

There is one unique ZIP code in Liberty Hill, Texas and it is 78642. Area code: 512/737.

ZIP codes

111.13

sq mi land

0.56

sq mi water

512/737

area code

Liberty Hill, TX ZIP code map

About Liberty Hill, TX

Liberty Hill, Texas, is a quaint city located in Williamson County. Known for its rich history and scenic landscapes, this small town has become a charming community for both residents and visitors alike. With a population that enjoys a tight-knit atmosphere, Liberty Hill offers a blend of country living with easy access to urban amenities.

Location & geography

Situated in central Texas, Liberty Hill is approximately 30 miles north of Austin, making it an appealing location for those who wish to enjoy a rural lifestyle while being close to the state capital. The city encompasses a land area of 111.13 square miles, with a modest 0.56 square miles of water. The terrain features beautiful rolling hills and open landscapes that are characteristic of the Texas Hill Country.

Community & economy

Liberty Hill has a distinct character that combines the charm of a small town with an inviting community spirit. The local economy is supported by various industries, including agriculture and retail, which cater to the needs of residents and nearby communities. Daily life in Liberty Hill is complemented by family-friendly events, parks, and a commitment to maintaining a close-knit environment.

Transportation

Transportation in Liberty Hill is facilitated by several key highways, including U.S. Highway 183, which provides convenient access to neighboring cities and regions. The city is serviced by the 512 and 737 area codes, which cover a wide region of central Texas. For air travel, the nearest major airport is Austin-Bergstrom International Airport, located approximately 35 miles to the south.

History

Liberty Hill was founded in the late 19th century and has a rich historical backdrop marked by its early agricultural roots. The city developed around key industries such as farming and livestock, which played a significant role in its growth during the Texas land expansion. Notable events in its history include the establishment of community ties through local festivals that celebrate its heritage.

Did you know?

One surprising fact about Liberty Hill is that it has retained much of its historical charm, with many buildings dating back to the late 1800s still standing today. The city's name reflects its scenic beauty, as it is situated on a hill that offers picturesque views of the surrounding landscapes.

ZIP codes for Liberty Hill, TX (1)

ZIP code	City	County	Map
78642	Liberty Hill	Williamson	View map

Demographics & statistics

20,699

Population

36.2

Median age

$117,490

Median household income

$44,513

Per capita income

$454,600

Median home value

$1,415

Median monthly rent

85.5%

Home ownership

3.5%

Poverty rate

6.2%

Unemployment

6,122

Housing units

41.7%

Bachelor's or higher

Age distribution

Male Female

819

Under 5

873

661

5–9

704

812

10–14

866

744

15–19

793

546

20–24

583

1,279

25–34

1,364

1,441

35–44

1,536

1,555

45–54

1,657

692

55–59

737

396

60–64

422

727

65–74

776

270

75–84

287

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	5,849	28.3%
18 and over	14,850	71.7%
65 and over	2,219	10.7%
Median age	36.2 years

Race & ethnicity

White 73.3%

Hispanic or Latino 10.4%

Two or more races 9.1%

Other race 4.4%

Black or African American 1.8%

Asian 0.7%

American Indian / Alaska Native 0.3%

Group	Count	%
White	16,928	73.3%
Hispanic or Latino	2,410	10.4%
Two or more races	2,092	9.1%
Other race	1,023	4.4%
Black or African American	422	1.8%
Asian	164	0.7%
American Indian / Alaska Native	70	0.3%

Household income

Under $10k 1.7%

$10k–$15k 0.7%

$15k–$25k 1.8%

$25k–$35k 3.5%

$35k–$50k 7.1%

$50k–$75k 12.6%

$75k–$100k 16.1%

$100k–$150k 21.4%

$150k–$200k 17.8%

$200k+ 17.2%

Range	% of households
Under $10k	1.7%
$10k–$15k	0.7%
$15k–$25k	1.8%
$25k–$35k	3.5%
$35k–$50k	7.1%
$50k–$75k	12.6%
$75k–$100k	16.1%
$100k–$150k	21.4%
$150k–$200k	17.8%
$200k+	17.2%
Median income	$117,490

Housing

Home values

Under $50k 4.4%

$50k–$100k 2.8%

$100k–$150k 2.0%

$150k–$200k 1.9%

$200k–$300k 13.1%

$300k–$500k 35.5%

$500k–$1M 37.5%

$1M+ 2.8%

Housing overview

Metric	Value
Median home value	$454,600
Median rent / month	$1,415
Owner occupied	85.5%
Renter occupied	14.5%
Vacant	3.4%
Single-family detached	79.5%
Large apartment buildings	1.0%
Mobile homes	11.3%
Median rooms	6.5
Avg household size (owned)	2.86

Year built

Era	%
2020 or later	9.3%
2010–2019	47.0%
2000–2009	19.8%
1990–1999	10.6%
1980–1989	7.9%
1970–1979	2.1%
1960–1969	0.9%
1950–1959	0.6%
1940–1949	0.1%
1939 or earlier	1.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.1%
1 bedroom	2.5%
2 bedrooms	7.2%
3 bedrooms	42.1%
4 bedrooms	39.1%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.4%
1 vehicle	17.2%
2 vehicles	43.8%
3 or more	36.6%

Heating fuel

Fuel type	%
Utility gas	15.9%
Electricity	68.5%
Propane / LP gas	13.7%
Fuel oil	0.8%
Wood	0.6%
Solar	0.1%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	4,667	67.9%
Cohabiting couple	435	6.3%
Male householder, no spouse	688	10.0%
Female householder, no spouse	1,087	15.8%
Households with children under 18	2,978	43.3%
Households with seniors (65+)	1,508	21.9%
Average household size	3.00

Marital status

Status	Male	Female
Never married	30.5%	22.7%
Married	61.6%	59.9%
Separated	0.7%	0.7%
Widowed	1.6%	6.2%
Divorced	5.6%	10.5%

Education

Less than 9th grade 5.2%

Some HS, no diploma 3.6%

HS graduate 21.2%

Some college, no degree 20.2%

Associate's degree 8.1%

Bachelor's degree 30.2%

Graduate / professional 11.5%

Metric	%
HS diploma or higher	91.2%
Bachelor's or higher	41.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	471	8.7%
Kindergarten	371	6.9%
Elementary school	2,335	43.4%
High school	1,469	27.3%
College / grad school	739	13.7%

Employment

Industry of employment

Education & healthcare 18.6%

Professional & management 14.3%

Retail trade 13.2%

Construction 11.7%

Manufacturing 8.9%

Finance & real estate 7.2%

Other services 6.3%

Public administration 6.2%

Arts, food & hospitality 6.1%

Wholesale trade 3.3%

Transportation & utilities 2.5%

Information 1.0%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	44.8%
Service	14.9%
Sales & office	17.2%
Natural resources & construction	11.1%
Production & transportation	11.9%

Employment type

Type	%
Private sector	79.7%
Government	12.3%
Self-employed	8.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	68.8%
Carpool	6.7%
Public transit	0.9%
Walk	0.3%
Other means	2.1%
Avg commute (minutes)	33.6

Poverty

All people 3.5%

Under 18 years 0.8%

18 and over 4.5%

Married-couple families 0.6%

Female-led households 7.9%

Income support

Source	% of households
Social Security	19.4%
Retirement income	20.1%
Supplemental Security	2.7%
Cash public assistance	0.2%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
High blood pressure	31.9%
High cholesterol	36.0%
Heart disease	5.6%
Stroke	2.5%
Asthma	8.8%
Arthritis	23.8%
Kidney disease	2.5%
Pulmonary disease	6.0%
Cancer	6.1%

Behavior / access	%
Binge drinking	20.7%
No physical activity	19.8%
Less than 7 hrs sleep	31.6%
Fair or poor health	13.1%
Poor mental health	14.4%
Poor physical health	9.9%
No health insurance	20.1%
Visited doctor (checkup)	70.3%
Visited dentist	62.6%
Cholesterol screening	90.7%
Teeth loss	11.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,403	9.4%

Disability	%
Any disability	10.8%
Under 18	7.7%
18–64 years	8.9%
65 and over	29.5%

Health insurance coverage

Type	%
Private insurance	77.9%
Public insurance	18.0%
Uninsured under 19	8.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,007	91.8%
Spanish	1,176	6.2%
Other Indo-European	1,102	5.8%
Asian & Pacific Islander	39	0.2%
Other languages	30	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,261	93.1%
Born in same state	18,983	91.7%
Born in different state	12,261	59.2%
Foreign born	278	1.3%
Naturalized citizen	1,438	6.9%
Not a US citizen	500	34.8%

Ancestry

Ancestry	Count	%
French	2,225	10.7%
Arab	1,771	8.6%
Italian	1,539	7.4%
Polish	306	1.5%
German	158	0.8%

Ancestry	Count	%
English	133	0.6%
Norwegian	123	0.6%
Dutch	69	0.3%
Irish	18	0.1%

Technology access

Metric	% of households
Computer access	33.2%
Internet access	97.3%

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

Frequently asked questions

What is the ZIP code for Liberty Hill, TX?

Liberty Hill, TX has one ZIP code: 78642.

What is the main ZIP code for Liberty Hill, TX?

The primary ZIP code for Liberty Hill, TX is 78642. The city uses area code 512 or 737 for phone service.

What county is Liberty Hill, TX in?

Liberty Hill is located in Williamson County, Texas.

How many ZIP codes are in Liberty Hill, TX?

Liberty Hill, TX has 1 ZIP code.

What ZIP code should I use when mailing packages to businesses along Highway 183 in Liberty Hill?

All addresses in Liberty Hill, including those along Highway 183 which runs through the city, use the ZIP code 78642.

If I'm sending mail to a residential address in the Liberty Hill city limits in Williamson County, what ZIP code do I need?

Residential addresses within Liberty Hill's city limits use ZIP code 78642, which is the sole ZIP code serving this community.