| Zip Code | City | Population ↓ |
|---|---|---|
| 76028 | Burleson | 81,549 |
| 76033 | Cleburne | 29,538 |
| 76009 | Alvarado | 22,803 |
| 76058 | Joshua | 22,276 |
| 76031 | Cleburne | 18,920 |
| 76084 | Venus | 14,097 |
| 76044 | Godley | 9,196 |
| 76050 | Grandview | 7,282 |
| 76059 | Keene | 5,586 |
| 76093 | Rio Vista | 4,198 |
| 76061 | Lillian | 22 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 11 ZCTAs in Johnson County, Texas (US Census).