Lockhart ZIP Code List — Caldwell County, TX

There is one unique ZIP code in Lockhart, Texas and it is 78644. Area code: 512.

ZIP codes

179.92

sq mi land

0.78

sq mi water

512

area code

Lockhart, TX ZIP code map

About Lockhart, TX

Lockhart, Texas, is a vibrant city located in Caldwell County, known for its rich history and strong community spirit. As a charming town in Central Texas, it offers a unique blend of small-town charm and modern amenities. Residents and visitors alike appreciate Lockhart for its friendly atmosphere and regional significance.

Location & geography

Lockhart is situated approximately 30 miles southeast of Austin, making it a desirable location for those seeking a quieter lifestyle while remaining close to the capital. The city covers a total area of 179.92 square miles, with 0.78 square miles designated as water, showcasing a blend of open land and natural beauty. Its terrain and proximity to the Colorado River contribute to the area's picturesque landscapes.

Community & economy

The community in Lockhart is characterized by a diverse population and a strong emphasis on local traditions, particularly its famous barbecue. The city has a thriving local economy, with industries such as agriculture, construction, and retail playing significant roles in daily life. Additionally, residents enjoy a variety of community events that celebrate the city's heritage and foster connections among neighbors.

Transportation

Lockhart is conveniently accessible via several major highways, including U.S. Route 183 and State Highway 130, which offer connections to larger cities and regions. The nearest airport is Austin-Bergstrom International Airport, located approximately 30 miles away, providing options for regional and national travel. Public transportation options are limited, making personal vehicles the primary mode of transport for residents.

History

Lockhart was founded in the 1850s and quickly established itself as a center for cattle and agriculture in Central Texas. The city is historically known for its production of barbecue, with several establishments gaining national recognition for their smoked meats. Over the years, Lockhart has hosted numerous events that highlight its cultural heritage, such as the annual Lockhart Rodeo.

Did you know?

One surprising fact about Lockhart is that it is often referred to as the 'Barbecue Capital of Texas,' drawing food enthusiasts from all over the state and beyond. Additionally, the city is home to several historic buildings and landmarks that offer a glimpse into its storied past.

ZIP codes for Lockhart, TX (1)

ZIP code	City	County	Map
78644	Lockhart	Caldwell	View map

Demographics & statistics

20,088

Population

38.7

Median age

$70,496

Median household income

$29,532

Per capita income

$214,500

Median home value

$1,133

Median monthly rent

69.6%

Home ownership

13.2%

Poverty rate

0.9%

Unemployment

5,267

Housing units

18.7%

Bachelor's or higher

Age distribution

Male Female

479

Under 5

570

605

5–9

720

655

10–14

780

501

15–19

596

646

20–24

770

1,330

25–34

1,583

1,097

35–44

1,306

1,108

45–54

1,318

573

55–59

683

666

60–64

793

940

65–74

1,119

401

75–84

478

169

85+

202

← Male

Female →

Age summary

Group	Count	%
Under 18	4,503	22.4%
18 and over	15,585	77.6%
65 and over	3,309	16.5%
Median age	38.7 years

Race & ethnicity

White 57.7%

Hispanic or Latino 18.1%

Two or more races 11.3%

Other race 8%

Black or African American 3.5%

Asian 1.1%

American Indian / Alaska Native 0.3%

Group	Count	%
White	14,154	57.7%
Hispanic or Latino	4,430	18.1%
Two or more races	2,774	11.3%
Other race	1,965	8%
Black or African American	855	3.5%
Asian	258	1.1%
American Indian / Alaska Native	82	0.3%

Household income

Under $10k 4.8%

$10k–$15k 4.2%

$15k–$25k 4.9%

$25k–$35k 11.7%

$35k–$50k 9.3%

$50k–$75k 20.0%

$75k–$100k 13.6%

$100k–$150k 18.7%

$150k–$200k 5.0%

$200k+ 7.9%

Range	% of households
Under $10k	4.8%
$10k–$15k	4.2%
$15k–$25k	4.9%
$25k–$35k	11.7%
$35k–$50k	9.3%
$50k–$75k	20.0%
$75k–$100k	13.6%
$100k–$150k	18.7%
$150k–$200k	5.0%
$200k+	7.9%
Median income	$70,496

Housing

Home values

Under $50k 10.0%

$50k–$100k 7.2%

$100k–$150k 16.0%

$150k–$200k 11.1%

$200k–$300k 28.7%

$300k–$500k 22.5%

$500k–$1M 3.7%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$214,500
Median rent / month	$1,133
Owner occupied	69.6%
Renter occupied	30.4%
Vacant	9.6%
Single-family detached	67.8%
Large apartment buildings	3.4%
Mobile homes	14.1%
Median rooms	5.2
Avg household size (owned)	2.75

Year built

Era	%
2020 or later	1.3%
2010–2019	11.9%
2000–2009	19.1%
1990–1999	11.2%
1980–1989	19.1%
1970–1979	10.5%
1960–1969	7.6%
1950–1959	8.3%
1940–1949	5.9%
1939 or earlier	5.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	3.4%
2 bedrooms	25.5%
3 bedrooms	52.6%
4 bedrooms	15.3%
5+ bedrooms	1.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	29.9%
2 vehicles	35.2%
3 or more	31.7%

Heating fuel

Fuel type	%
Utility gas	21.3%
Electricity	72.7%
Propane / LP gas	5.5%
Wood	0.1%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	3,577	54.5%
Cohabiting couple	289	4.4%
Male householder, no spouse	958	14.6%
Female householder, no spouse	1,741	26.5%
Households with children under 18	2,153	32.8%
Households with seniors (65+)	2,238	34.1%
Average household size	2.79

Marital status

Status	Male	Female
Never married	29.7%	30.2%
Married	57.3%	45.4%
Separated	1.9%	2.3%
Widowed	2.0%	10.3%
Divorced	9.1%	11.9%

Education

Less than 9th grade 4.5%

Some HS, no diploma 10.0%

HS graduate 41.8%

Some college, no degree 20.5%

Associate's degree 4.4%

Bachelor's degree 13.6%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	85.5%
Bachelor's or higher	18.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	135	3.1%
Kindergarten	317	7.2%
Elementary school	2,107	47.7%
High school	1,093	24.7%
College / grad school	769	17.4%

Employment

Industry of employment

Education & healthcare 16.6%

Construction 15.8%

Retail trade 12.0%

Public administration 11.6%

Professional & management 10.4%

Arts, food & hospitality 9.8%

Manufacturing 5.9%

Finance & real estate 5.9%

Transportation & utilities 5.4%

Other services 3.4%

Wholesale trade 1.5%

Agriculture & mining 1.3%

Information 0.5%

Occupation

Category	%
Management, business & arts	33.1%
Service	15.9%
Sales & office	24.7%
Natural resources & construction	13.7%
Production & transportation	12.7%

Employment type

Type	%
Private sector	71.6%
Government	20.7%
Self-employed	7.4%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	79.5%
Carpool	7.4%
Public transit	0.0%
Walk	0.8%
Other means	2.3%
Avg commute (minutes)	32.1

Poverty

All people 13.2%

Under 18 years 19.4%

18 and over 11.2%

Married-couple families 6.0%

Female-led households 26.8%

Income support

Source	% of households
Social Security	34.6%
Retirement income	23.9%
Supplemental Security	5.8%
Cash public assistance	3.7%
Food stamps / SNAP	11.0%

Health indicators

Condition	%
High blood pressure	35.6%
High cholesterol	34.9%
Heart disease	6.5%
Stroke	3.2%
Asthma	9.2%
Arthritis	22.7%
Kidney disease	3.1%
Pulmonary disease	6.9%
Cancer	5.5%

Behavior / access	%
Binge drinking	17.9%
No physical activity	30.5%
Less than 7 hrs sleep	33.2%
Fair or poor health	20.5%
Poor mental health	16.0%
Poor physical health	12.5%
No health insurance	34.1%
Visited doctor (checkup)	69.2%
Visited dentist	50.4%
Cholesterol screening	87.6%
Teeth loss	16.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,299	8.3%

Disability	%
Any disability	17.5%
Under 18	8.7%
18–64 years	12.3%
65 and over	48.0%

Health insurance coverage

Type	%
Private insurance	62.0%
Public insurance	34.8%
Uninsured under 19	8.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,039	94.8%
Spanish	1,885	9.9%
Other Indo-European	1,878	9.9%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,723	93.2%
Born in same state	18,180	90.5%
Born in different state	15,078	75.1%
Foreign born	543	2.7%
Naturalized citizen	1,365	6.8%
Not a US citizen	527	38.6%

Ancestry

Ancestry	Count	%
Italian	1,357	6.8%
Arab	1,149	5.7%
French	1,002	5%
Polish	78	0.4%

Ancestry	Count	%
English	65	0.3%
Irish	52	0.3%
German	27	0.1%
Norwegian	15	0.1%

Technology access

Metric	% of households
Computer access	32.7%
Internet access	93.5%

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

Frequently asked questions

What is the ZIP code for Lockhart, TX?

Lockhart, TX has one ZIP code: 78644.

What is the main ZIP code for Lockhart, TX?

The primary ZIP code for Lockhart, TX is 78644. The city uses area code 512 for phone service.

What county is Lockhart, TX in?

Lockhart is located in Caldwell County, Texas.

How many ZIP codes are in Lockhart, TX?

Lockhart, TX has 1 ZIP code.

What ZIP code covers downtown Lockhart and the historic courthouse square?

Downtown Lockhart, including the Caldwell County Courthouse square, is located in ZIP code 78644.

What is the ZIP code for the Lockhart State School historic site and surrounding areas?

The Lockhart State School area and most of Lockhart are served by ZIP code 78644.