County · Texas · United States
Caldwell County ZIP codes
7 ZIP codes · 7 cities · FIPS 48055
Key facts
- State
- Texas (TX)
- FIPS code
- 48055
- Population
- 47,184
- Median household income
- $68,503
- Median age
- 38.2
- Land area
- 544.5 sq mi (1,410.4 km²)
- Population density
- 87 / sq mi
- Area codes
- 512, 737, 830
Cities and ZIP codes in Caldwell County (7)
| City | ZIP codes |
|---|---|
| Dale | 78616 |
| Fentress | 78622 |
| Lockhart | 78644 |
| Luling | 78648 |
| Martindale | 78655 |
| Maxwell | 78656 |
| Prairie Lea | 78661 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.