ZIP code
78644
Lockhart, TX
78644 covers Lockhart in Caldwell County, with 20,599 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 78644. Methodology
ZIP code map of 78644
About ZIP code 78644
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 78644. Not ACS. Methodology
People in 78644
Race
- White11,267
- Black or African American1,145
- American Indian or Alaska Native194
- Asian124
- Native Hawaiian and Pacific Islander12
- Other race4,049
- Two or more races4,022
Hispanic or Latino (any race): 10,934
Age
- Under 102,543
- 10 to 193,106
- 20 to 292,448
- 30 to 392,943
- 40 to 492,678
- 50 to 592,496
- 60 to 692,401
- 70 to 791,474
- 80 and older724
Income and housing in 78644
Education
- High school graduate86.7%
- Bachelor's degree19.1%
- Graduate degree5.1%
Places covering 78644
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Lockhart69.1%
- Mustang Ridge0.0%
- Niederwald0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Caldwell County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
30.9% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 78644
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 14,275 | |
| 2006 | 14,163 | |
| 2007 | 15,410 | |
| 2008 | 14,626 | |
| 2009 | 14,700 | |
| 2010 | 14,876 | |
| 2011 | 16,772 | 15,283 |
| 2012 | 16,820 | 15,310 |
| 2013 | 17,542 | 15,550 |
| 2014 | 17,276 | 15,770 |
| 2015 | 18,282 | 16,210 |
| 2016 | 18,558 | 16,740 |
| 2017 | 18,287 | 17,010 |
| 2018 | 18,274 | 17,110 |
| 2019 | 18,390 | 17,770 |
| 2020 | 17,675 | 18,020 |
| 2021 | 20,119 | 17,830 |
| 2022 | 20,088 | 18,570 |
| 2023 | 20,599 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 78644
12 nearest ZIP centroids (any distance)
- 78616Dale8.1 miPop 10,008 · Income $70,148
- 78656Maxwell8.3 miPop 2,953 · Income $78,058
- 78622Fentress8.9 miPop 353 · Income $72,941
- 78655Martindale10.4 miPop 3,687 · Income $48,409
- 78661Prairie Lea11.6 miPop 658 · Income $47,917
- 78640Kyle12.2 miPop 71,460 · Income $88,533
- 78648Luling12.5 miPop 8,022 · Income $56,533
- 78670Staples12.8 miPop 178 · Income $76,591
- 78662Red Rock14.7 miPop 3,147 · Income $95,238
- 78638Kingsbury16.1 miPop 2,064 · Income $82,760
- 78610Buda17.4 miPop 46,685 · Income $110,417
- 78632Harwood17.7 miPop 1,391 · Income $63,250
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 78644, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 78644 FAQ
- What city is ZIP code 78644 in?
- 78644 is in Lockhart, TX.
- What county is 78644 in?
- 78644 is in Caldwell County.
- What is the median household income in 78644?
- The median household income in 78644 is $72,155.
- Which ZIP codes are near 78644?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 78644.