17 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 75092 | Sherman | 28,342 |
| 75090 | Sherman | 26,594 |
| 75020 | Denison | 24,835 |
| 76273 | Whitesboro | 11,229 |
| 75495 | Van Alstyne | 11,120 |
| 75021 | Denison | 9,173 |
| 75076 | Pottsboro | 7,989 |
| 75459 | Howe | 6,554 |
| 75491 | Whitewright | 5,471 |
| 75414 | Bells | 3,719 |
| 76233 | Collinsville | 3,711 |
| 75058 | Gunter | 3,625 |
| 76271 | Tioga | 1,859 |
| 76245 | Gordonville | 1,814 |
| 76264 | Sadler | 997 |
| 75489 | Tom Bean | 803 |
| 76268 | Southmayd | 243 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 17 ZCTAs in Grayson County, Texas (US Census).