Lockhart is a city in Caldwell County, Texas, home to about 15,326 people across 16 square miles. Its ZIP code is 78644.
Homes sold for a median of $166 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Lockhart. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lockhart’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Austin Bergstrom International Airport (AUS)21 miles away |
|---|---|
| Nearest city of 250,000+ | Austin, TX29 miles away |
| Nearest city of 1 million+ | San Antonio, TX59 miles away |
Straight-line distances from the center of Lockhart; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Lockhart had 14,379 residents in the 2020 census, up 24% since 2000.
It’s the 206th largest of 1,778 towns in Texas by population.
Caldwell County grew from 21,765 residents in 1900 to 45,883 in 2020.
Caldwell County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 98°F in summer, and winter lows average 40°F. About 35.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Luling, TX weather station (15 miles away).
6,760 jobs at 733 businesses in Caldwell County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
100 doctors and other health care providers list an office in Lockhart.
Nearest hospitals
Providers with an office here
| Primary care doctors | 10 |
|---|---|
| Specialist doctors | 4 |
| Dentists | 13 |
| Nurse practitioners and physician assistants | 26 |
| Mental health providers | 37 |
| Physical and occupational therapists | 5 |
| Optometrists | 3 |
| Chiropractors | 2 |
| Pharmacies | 6 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (8 nearby)
Grocery stores (2 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 3 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Lockhart ISD, Trinity Charter School, The Excel Center (for Adults). Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| George W Carver Early Education CenterLockhart | Pre-K | 325 | Public | 0.7 mi |
| Bluebonnet ElLockhart | K–5 | 614 | Public | 1.2 mi |
| Clear Fork ElLockhart | K–5 | 523 | Public | 0.9 mi |
| Navarro ElLockhart | K–5 | 667 | Public | 1.0 mi |
| Plum Creek ElLockhart | K–5 | 522 | Public | 0.8 mi |
| Trinity Charter Schools - Lockhart CampusLockhart | 5–12 | 134 | Charter, Alternative Education | 3.5 mi |
| Lockhart J HLockhart | 6–8 | 1,501 | Public | 1.7 mi |
| Lockhart H SLockhart | 9–12 | 2,006 | Public | 1.0 mi |
| The Excel Center (for Adults)Lockhart | 9–12 | 571 | Charter, Alternative Education | 1.8 mi |
| The Excel Center for Adults - LockhartLockhart | 9–12 | 118 | Charter, Alternative Education | 1.8 mi |
| Lockhart Pride H SLockhart | 10–12 | 66 | Alternative Education | 0.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Lockhart Montessori SchoolLockhart | Pre-K–3 | 25 | Nonsectarian | 4.8 mi |
| The Gospel Lighthouse Christian AcademyLockhart | 12 | 6 | Christian (no specific denomination) | 1.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.