| City | 2026 Pop. ↓ |
|---|---|
| Boise City | 238,853 |
| Blackfoot | 13,566 |
| Burley | 12,548 |
| Buhl | 4,849 |
| Bonners Ferry | 2,849 |
| Bellevue | 2,613 |
| Blanchard | 709 |
| Basalt | 380 |
| Bancroft | 321 |
| Bliss | 265 |
| Bloomington | 216 |
| Bovill | 197 |
| Bennington | 104 |
| Butte City | 88 |
| Bruneau | 44 |
| City | 2026 Pop. ↓ |
|---|---|
| Caldwell | 79,746 |
| Coeur d'Alene | 58,785 |
| Chubbuck | 17,049 |
| Cascade | 1,024 |
| Council | 1,009 |
| Challis | 969 |
| Cottonwood | 944 |
| Carey | 732 |
| Clark Fork | 592 |
| Clifton | 476 |
| Craigmont | 472 |
| Culdesac | 418 |
| Cambridge | 360 |
| Castleford | 233 |
| Crouch | 185 |
| Conkling Park | 161 |
| Coolin | 30 |
| Clayton | 11 |
| City | 2026 Pop. ↓ |
|---|---|
| Garden City | 13,203 |
| Gooding | 3,892 |
| Grangeville | 3,692 |
| Groveland | 1,279 |
| Glenns Ferry | 1,254 |
| Genesee | 1,108 |
| Grace | 942 |
| Greenleaf | 783 |
| Georgetown | 492 |
| Grand View | 467 |
| Gannett | 428 |
| Garden Valley | 357 |
| City | 2026 Pop. ↓ |
|---|---|
| Idaho Falls | 72,700 |
| Iona | 3,271 |
| Inkom | 873 |
| Idaho City | 546 |
| Irwin | 308 |
| Island Park | 189 |
| City | 2026 Pop. ↓ |
|---|---|
| Lewiston | 34,836 |
| Lincoln | 3,785 |
| Lapwai | 1,260 |
| Letha | 697 |
| Lewisville | 444 |
| Lava Hot Springs | 378 |
| Laclede | 246 |
| Leadore | 100 |
| Lowman | 52 |
| City | 2026 Pop. ↓ |
|---|---|
| Meridian | 148,009 |
| Moscow | 27,000 |
| Mountain Home | 16,961 |
| Middleton | 13,145 |
| McCall | 4,233 |
| Mountain Home AFB | 3,189 |
| Montpelier | 2,717 |
| Malad City | 2,350 |
| Moreland | 1,411 |
| Moyie Springs | 1,411 |
| Marsing | 1,234 |
| McCammon | 826 |
| Menan | 724 |
| Mullan | 669 |
| Melba | 643 |
| Mackay | 489 |
| Mud Lake | 374 |
| Murphy | 231 |
| Midvale | 219 |
| Malta | 183 |
| Moore | 179 |
| Murtaugh | 125 |
| Minidoka | 95 |
| City | 2026 Pop. ↓ |
|---|---|
| Nampa | 124,426 |
| New Plymouth | 1,652 |
| New Meadows | 718 |
| Notus | 604 |
| Nezperce | 475 |
| Newdale | 328 |
| City | 2026 Pop. ↓ |
|---|---|
| Star | 22,547 |
| Sandpoint | 11,056 |
| Shelley | 5,412 |
| St. Anthony | 4,081 |
| Salmon | 3,327 |
| Soda Springs | 3,176 |
| Sugar City | 2,631 |
| Spirit Lake | 2,516 |
| St. Maries | 2,485 |
| Shoshone | 1,796 |
| Sun Valley | 1,779 |
| Smelterville | 822 |
| Silverton | 746 |
| Swan Valley | 338 |
| St. Charles | 190 |
| Stites | 187 |
| Sweetwater | 174 |
| Stanley | 125 |
| Smiths Ferry | 65 |
| State Line | 38 |
| Spencer | 28 |
| City | 2026 Pop. ↓ |
|---|---|
| Ucon | 1,209 |
| City | 2026 Pop. ↓ |
|---|---|
| Weiser | 6,355 |
| Wendell | 3,125 |
| Wilder | 1,767 |
| Wallace | 851 |
| Weston | 601 |
| Weippe | 410 |
| Winchester | 366 |
| Worley | 247 |
| Wardner | 207 |
| White Bird | 84 |
| Warm River | 1 |
| City | 2026 Pop. ↓ |
|---|---|
| Yellow Pine | 454 |