29 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 75035 | Frisco | 86,135 |
| 75002 | Allen | 73,295 |
| 75071 | Mckinney | 69,396 |
| 75098 | Wylie | 67,513 |
| 75070 | Mckinney | 59,859 |
| 75072 | Mckinney | 55,997 |
| 75025 | Plano | 53,352 |
| 75074 | Plano | 53,146 |
| 75287 | Dallas | 52,727 |
| 75034 | Frisco | 51,059 |
| 75023 | Plano | 48,878 |
| 75013 | Allen | 48,557 |
| 75078 | Prosper | 46,857 |
| 75093 | Plano | 46,491 |
| 75024 | Plano | 45,051 |
| 75069 | Mckinney | 39,332 |
| 75075 | Plano | 38,041 |
| 75009 | Celina | 30,257 |
| 75082 | Richardson | 29,458 |
| 75407 | Princeton | 28,931 |
| 75252 | Dallas | 28,500 |
| 75409 | Anna | 24,381 |
| 75094 | Plano | 23,669 |
| 75454 | Melissa | 20,137 |
| 75442 | Farmersville | 10,567 |
| 75173 | Nevada | 9,284 |
| 75166 | Lavon | 6,679 |
| 75424 | Blue Ridge | 3,908 |
| 75164 | Josephine | 669 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 29 ZCTAs in Collin County, Texas (US Census).