This table ranks all 12 ZIP codes in the Rexburg, ID MSA by estimated 2022 population, from highest to lowest.
| # | ZIP Code | Place Name | Population (2022) |
|---|---|---|---|
| 1 | ZIP 83440 | Rexburg | 49,410 |
| 2 | ZIP 83445 | Saint Anthony | 7,213 |
| 3 | ZIP 83448 | Sugar City | 3,166 |
| 4 | ZIP 83420 | Ashton | 2,737 |
| 5 | ZIP 83434 | Menan | 1,695 |
| 6 | ZIP 83451 | Teton | 1,038 |
| 7 | ZIP 83436 | Newdale | 860 |
| 8 | ZIP 83429 | Island Park | 643 |
| 9 | ZIP 83421 | Chester | 379 |
| 10 | ZIP 83438 | Parker | 373 |
| 11 | ZIP 83433 | Macks Inn | 29 |
| 12 | ZIP 83460 | Rexburg | 18 |