| Zip Code | City | Population ↓ |
|---|---|---|
| 50010 | Ames | 33,799 |
| 50014 | Ames | 32,958 |
| 50201 | Nevada | 8,320 |
| 50124 | Huxley | 4,859 |
| 50248 | Story City | 4,216 |
| 50013 | Ames | 4,211 |
| 50012 | Ames | 1,913 |
| 50236 | Roland | 1,761 |
| 50046 | Cambridge | 1,554 |
| 50105 | Gilbert | 1,487 |
| 50055 | Collins | 1,102 |
| 50056 | Colo | 1,003 |
| 50278 | Zearing | 891 |
| 50134 | Kelley | 770 |
| 50154 | McCallsburg | 394 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 15 ZCTAs in Story County, Iowa (US Census).