This table ranks all 19 ZIP codes in the Gillette, WY MSA by estimated 2022 population, from highest to lowest.
| # | ZIP Code | Place Name | Population (2022) |
|---|---|---|---|
| 1 | ZIP 82718 | Gillette | 25,413 |
| 2 | ZIP 82716 | Gillette | 18,167 |
| 3 | ZIP 82633 | Douglas | 9,555 |
| 4 | ZIP 57717 | Belle Fourche | 8,468 |
| 5 | ZIP 82701 | Newcastle | 5,383 |
| 6 | ZIP 82721 | Moorcroft | 2,929 |
| 7 | ZIP 82729 | Sundance | 2,678 |
| 8 | ZIP 82732 | Wright | 1,509 |
| 9 | ZIP 82727 | Rozet | 1,451 |
| 10 | ZIP 82730 | Upton | 1,434 |
| 11 | ZIP 82720 | Hulett | 811 |
| 12 | ZIP 82710 | Aladdin | 408 |
| 13 | ZIP 82712 | Beulah | 363 |
| 14 | ZIP 82831 | Arvada | 216 |
| 15 | ZIP 82731 | Weston | 144 |
| 16 | ZIP 82723 | Osage | 123 |
| 17 | ZIP 82725 | Recluse | 83 |
| 18 | ZIP 82714 | Devils Tower | 38 |
| 19 | ZIP 82711 | Alva | 9 |