Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Pocatello (city), ID | 56,320 |
| 2 | Chubbuck (city), ID | 15,570 |
| 3 | Blackfoot (city), ID | 12,346 |
| 4 | American Falls (city), ID | 4,568 |
| 5 | Fort Hall (CDP), ID | 3,195 |
| 6 | Moreland (CDP), ID | 1,264 |
| 7 | Tyhee (CDP), ID | 1,130 |
| 8 | Groveland (CDP), ID | 982 |
| 9 | Riverside (CDP), ID | 930 |
| 10 | McCammon (city), ID | 825 |
| 11 | Inkom (city), ID | 792 |