Caldwell County, TX ZIP Codes & Directory
Complete postal guide for Caldwell County, Texas. Featuring the official county seat of Lockhart, largest municipality Lockhart, and serving 3 incorporated municipal entities.
Municipalities Located in Caldwell County
Incorporated Cities, Towns, and Villages
Active USPS Postal Codes in Caldwell County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Caldwell County, TX
What is the county seat and largest city in Caldwell County? ▾
The official county seat of Caldwell County is Lockhart, and its largest incorporated municipality by population is Lockhart.
How many cities, towns, and villages are in Caldwell County? ▾
Caldwell County encompasses 3 incorporated municipal entities, including 3 cities, 0 towns, and 0 villages.
What is the total population and land area of Caldwell County? ▾
According to official U.S. Census Bureau data, Caldwell County has a population of approximately 45,883 residents and spans an area of 546 square miles.
How many postal codes operate in Caldwell County? ▾
There are 1 active USPS postal codes serving addresses within Caldwell County, Texas.