| Zip Code | City | Population ↓ |
|---|---|---|
| 83440 | Rexburg | 49,410 |
| 83448 | Sugar City | 3,166 |
| 83451 | Teton | 1,038 |
| 83436 | Newdale | 860 |
| 83460 | Rexburg | 18 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Madison County, Idaho (US Census).