| Zip Code | City | Population ↓ |
|---|---|---|
| 83401 | Idaho Falls | 47,381 |
| 83402 | Idaho Falls | 28,037 |
| 83404 | Idaho Falls | 25,947 |
| 83406 | Idaho Falls | 19,251 |
| 83427 | Iona | 2,655 |
| 83443 | Ririe | 1,094 |
| 83428 | Irwin | 525 |
| 83454 | Ucon | 386 |
| 83449 | Swan Valley | 226 |
| 83285 | Wayan | 31 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Bonneville County, Idaho (US Census).