4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 75189 | Royse City | 44,348 |
| 75087 | Rockwall | 41,786 |
| 75032 | Rockwall | 37,895 |
| 75132 | Fate | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Rockwall County, Texas (US Census).