ZIP code 78644: Lockhart, TX
78644 is a ZIP code in Lockhart, Texas, mainly in Caldwell County, part of the Austin-Round Rock-San Marcos, TX metro area. About 22,348 people live here.
- Population
- 22,348
- Median household income
- $74,709
- Typical home value
- $277,600-5.2% in 12 months
- Median rent
- $1,155gross, per month
- Median age
- 39.2
- Homeowners
- 74.9%of occupied homes
Shaded: ZIP code 78644's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 78644 details
| City | Lockhart |
|---|---|
| State | Texas |
| County | Caldwell County |
| Metro area | Austin-Round Rock-San Marcos, TX |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 179.9 sq mi, plus 0.8 sq mi of water |
| Population density | 124 people per sq mi |
| Bachelor's degree or higher | 23.6% of adults 25+ |
| Average commute | 30.4 minutes |
| Center coordinates | 29.87259, -97.67436 |
Median rent in 78644 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $954/mo |
| 2 bedrooms | $1,104/mo |
| 3 bedrooms | $1,409/mo |
| 4 bedrooms | $2,067/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 78644
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 78616 | Dale, TX | 8.1 mi | 10,683 |
| 78656 | Maxwell, TX | 8.3 mi | 2,847 |
| 78622 | Fentress, TX | 8.9 mi | 331 |
| 78655 | Martindale, TX | 10.4 mi | 3,730 |
| 78661 | Prairie Lea, TX | 11.6 mi | 835 |
| 78640 | Kyle, TX | 12.2 mi | 77,531 |
| 78648 | Luling, TX | 12.5 mi | 7,863 |
| 78670 | Staples, TX | 12.8 mi | 130 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 78644?
A typical home in ZIP code 78644 is worth about $277,600 (Zillow Home Value Index). The median household here earns $74,709 a year. See what buying here would cost per month, with Texas average taxes and insurance filled in.
Monthly payment for a $277,600 homeWhat can a $74,709 income afford?Rental property numbers
About ZIP code 78644
What city is ZIP code 78644?
ZIP code 78644 is in Lockhart, TX, in Caldwell County.
What county is ZIP code 78644 in?
78644 is mainly in Caldwell County, Texas.
What is the population of ZIP code 78644?
About 22,348 people live in ZIP code 78644, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 78644 in?
78644 is in Central Time (UTC−6). It observes daylight saving time.