Identifiers: city · town · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Casper (city), WY | 59,038 |
| 2 | Mills (town), WY | 4,034 |
| 3 | Bar Nunn (town), WY | 2,981 |
| 4 | Glenrock (town), WY | 2,420 |
| 5 | Vista West (CDP), WY | 940 |
| 6 | Hartrandt (CDP), WY | 724 |
| 7 | Casper Mountain (CDP), WY | 545 |
| 8 | Red Butte (CDP), WY | 410 |
| 9 | Brookhurst (CDP), WY | 205 |
| 10 | Bessemer Bend (CDP), WY | 202 |
| 11 | Meadow Acres (CDP), WY | 201 |
| 12 | Mountain View (CDP), WY | 67 |