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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2022

ZIP Codes for City of Lockhart, TX

Lockhart, TX Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 78644StandardCaldwell17,081512

Timezone(s):Central (GMT -06:00)
Population:12,698 (More Details)
Male Population:6,180
Female Population:6,518
Median Age:36
ZIP Codes:1
Area Codes:1
Total Area:547 square miles (county)
Land Area:545 square miles (county)
Water Area:2 square miles (county)

Lockhart, TX Demographic Information *

Total population12,698
Male population6,180
Female population6,518
Median age (years)35.7
White Population9,275
Black Population1,189
Indian Population102
Asian Population56
Hawaiian Population2
Hispanic Population6,483
Median age (Male)34.1
Median age (Female)37.2
Total households4,098
Family households (families)2,927
Average household size2.78
Average family size3.3
Total housing units4,527
* Demographic data is based on 2010 Census.

Lockhart, TX Other Information

  • Located in CALDWELL County, Texas
  • Lockhart, TX is also known as:

36 Cities within 30 miles of Lockhart, TX Products


  1. U.S. Postal Service [Last Updated: 1/1/2022],
  2. Internal Data Creation [Last Updated: 1/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],