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Caldwell County ZIP Codes

List of ZIP Codes in Caldwell County

The following table lists ZIP Codes associated with Caldwell County, Texas, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 78616 29.92687 -97.55655 Dale 10,008 32.7
2 78622 29.77225 -97.78229 Fentress 353 33.6
3 78644 29.87111 -97.67292 Lockhart 20,599 44.2
4 78648 29.69594 -97.63827 Luling 8,022 23.3
5 78655 29.82346 -97.83517 Martindale 3,687 49.6
6 78656 29.90275 -97.8089 Maxwell 2,953 40.1
7 78661 29.72925 -97.74212 Prairie Lea 658 61.6


About Caldwell County ZIP Codes

Caldwell County in Texas (TX) is served by approximately 7 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 46,280 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Caldwell County are located in cities such as Lockhart, Dale, Luling, Martindale, Maxwell. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Caldwell County, Texas follow the America/Chicago time zone.

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