Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Boise City (city), ID | 235,684 |
| 2 | Meridian (city), ID | 117,635 |
| 3 | Nampa (city), ID | 100,200 |
| 4 | Caldwell (city), ID | 59,996 |
| 5 | Eagle (city), ID | 30,346 |
| 6 | Kuna (city), ID | 24,011 |
| 7 | Garden City (city), ID | 12,316 |
| 8 | Star (city), ID | 11,117 |
| 9 | Middleton (city), ID | 9,425 |
| 10 | Emmett (city), ID | 7,647 |
| 11 | Hidden Springs (CDP), ID | 3,076 |
| 12 | Avimor (CDP), ID | 1,255 |
| 13 | Greenleaf (city), ID | 812 |
| 14 | Notus (city), ID | 609 |