17 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 75092 | Sherman | 27,372 |
| 75090 | Sherman | 26,273 |
| 75020 | Denison | 24,185 |
| 76273 | Whitesboro | 11,019 |
| 75495 | Van Alstyne | 10,451 |
| 75021 | Denison | 9,307 |
| 75076 | Pottsboro | 7,907 |
| 75459 | Howe | 6,620 |
| 75491 | Whitewright | 5,428 |
| 75058 | Gunter | 3,614 |
| 76233 | Collinsville | 3,604 |
| 75414 | Bells | 3,417 |
| 76271 | Tioga | 1,864 |
| 76245 | Gordonville | 1,778 |
| 76264 | Sadler | 1,020 |
| 75489 | Tom Bean | 716 |
| 76268 | Southmayd | 248 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Grayson County, Texas (US Census).