| City | 2025 Pop. ↓ |
|---|---|
| Boise City | 238,443 |
| Blackfoot | 13,427 |
| Burley | 12,323 |
| Buhl | 4,808 |
| Bonners Ferry | 2,851 |
| Bellevue | 2,586 |
| Basalt | 378 |
| Bancroft | 318 |
| Bliss | 267 |
| Bloomington | 218 |
| Bovill | 204 |
| Butte City | 87 |
| City | 2025 Pop. ↓ |
|---|---|
| Caldwell | 76,174 |
| Coeur d'Alene | 57,955 |
| Chubbuck | 16,804 |
| Cascade | 1,032 |
| Council | 999 |
| Challis | 955 |
| Cottonwood | 946 |
| Carey | 706 |
| Clark Fork | 589 |
| Craigmont | 481 |
| Clifton | 471 |
| Culdesac | 417 |
| Cambridge | 368 |
| Castleford | 229 |
| Crouch | 184 |
| Clayton | 12 |
| City | 2025 Pop. ↓ |
|---|---|
| Garden City | 13,095 |
| Gooding | 3,851 |
| Grangeville | 3,701 |
| Glenns Ferry | 1,289 |
| Genesee | 1,121 |
| Grace | 950 |
| Greenleaf | 787 |
| Georgetown | 510 |
| Grand View | 469 |
| City | 2025 Pop. ↓ |
|---|---|
| Idaho Falls | 70,421 |
| Iona | 3,203 |
| Inkom | 854 |
| Idaho City | 552 |
| Irwin | 295 |
| Island Park | 190 |
| City | 2025 Pop. ↓ |
|---|---|
| Lewiston | 34,803 |
| Lapwai | 1,258 |
| Lewisville | 453 |
| Lava Hot Springs | 379 |
| Leadore | 101 |
| City | 2025 Pop. ↓ |
|---|---|
| Meridian | 144,801 |
| Moscow | 27,237 |
| Mountain Home | 17,121 |
| Middleton | 12,270 |
| McCall | 4,200 |
| Montpelier | 2,710 |
| Malad City | 2,334 |
| Moyie Springs | 1,323 |
| Marsing | 1,248 |
| McCammon | 823 |
| Menan | 738 |
| Mullan | 682 |
| Melba | 638 |
| Mackay | 489 |
| Mud Lake | 369 |
| Midvale | 224 |
| Malta | 181 |
| Moore | 178 |
| Murtaugh | 125 |
| Minidoka | 84 |
| City | 2025 Pop. ↓ |
|---|---|
| Nampa | 121,330 |
| New Plymouth | 1,631 |
| New Meadows | 693 |
| Notus | 604 |
| Nezperce | 480 |
| Newdale | 332 |
| City | 2025 Pop. ↓ |
|---|---|
| Star | 19,893 |
| Sandpoint | 10,872 |
| Shelley | 5,367 |
| St. Anthony | 4,189 |
| Salmon | 3,297 |
| Soda Springs | 3,174 |
| Sugar City | 2,560 |
| St. Maries | 2,517 |
| Spirit Lake | 2,494 |
| Shoshone | 1,781 |
| Sun Valley | 1,766 |
| Smelterville | 714 |
| Swan Valley | 327 |
| St. Charles | 190 |
| Stites | 190 |
| Stanley | 123 |
| State Line | 38 |
| Spencer | 31 |
| City | 2025 Pop. ↓ |
|---|---|
| Twin Falls | 56,457 |
| Troy | 955 |
| Teton | 864 |
| Tetonia | 273 |
| Tensed | 98 |
| City | 2025 Pop. ↓ |
|---|---|
| Ucon | 1,230 |
| City | 2025 Pop. ↓ |
|---|---|
| Victor | 2,510 |
| City | 2025 Pop. ↓ |
|---|---|
| Weiser | 6,224 |
| Wendell | 3,058 |
| Wilder | 1,757 |
| Wallace | 831 |
| Weston | 587 |
| Weippe | 415 |
| Winchester | 369 |
| Worley | 249 |
| Wardner | 206 |
| White Bird | 88 |
| Warm River | 1 |