12 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 78934 | Columbus | 6,731 |
| 78962 | Weimar | 5,236 |
| 77434 | Eagle Lake | 3,970 |
| 78933 | Cat Spring | 1,395 |
| 77442 | Garwood | 1,123 |
| 78943 | Glidden | 886 |
| 78935 | Alleyton | 734 |
| 77475 | Sheridan | 431 |
| 77470 | Rock Island | 414 |
| 77460 | Nada | 76 |
| 77412 | Altair | 6 |
| 78951 | Oakland | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 12 ZCTAs in Colorado County, Texas (US Census).