| City | 2026 Pop. ↓ |
|---|---|
| Boise City | 238,923 |
| Blackfoot | 13,631 |
| Burley | 12,435 |
| Buhl | 4,856 |
| Bonners Ferry | 2,914 |
| Bellevue | 2,591 |
| Blanchard | 709 |
| Basalt | 383 |
| Bancroft | 323 |
| Bliss | 269 |
| Bloomington | 223 |
| Bovill | 207 |
| Bennington | 104 |
| Butte City | 89 |
| Bruneau | 44 |
| City | 2026 Pop. ↓ |
|---|---|
| Caldwell | 79,260 |
| Coeur d'Alene | 58,555 |
| Chubbuck | 17,032 |
| Cascade | 1,038 |
| Council | 1,023 |
| Cottonwood | 971 |
| Challis | 967 |
| Carey | 709 |
| Clark Fork | 603 |
| Craigmont | 485 |
| Clifton | 481 |
| Culdesac | 418 |
| Cambridge | 372 |
| Castleford | 232 |
| Crouch | 189 |
| Conkling Park | 161 |
| Coolin | 30 |
| Clayton | 12 |
| City | 2026 Pop. ↓ |
|---|---|
| Garden City | 13,255 |
| Gooding | 3,877 |
| Grangeville | 3,776 |
| Glenns Ferry | 1,290 |
| Groveland | 1,279 |
| Genesee | 1,139 |
| Grace | 955 |
| Greenleaf | 782 |
| Georgetown | 512 |
| Grand View | 474 |
| Gannett | 428 |
| Garden Valley | 357 |
| City | 2026 Pop. ↓ |
|---|---|
| Idaho Falls | 71,320 |
| Iona | 3,294 |
| Inkom | 866 |
| Idaho City | 568 |
| Irwin | 301 |
| Island Park | 190 |
| City | 2026 Pop. ↓ |
|---|---|
| Lewiston | 34,914 |
| Lincoln | 3,785 |
| Lapwai | 1,267 |
| Letha | 697 |
| Lewisville | 461 |
| Lava Hot Springs | 383 |
| Laclede | 246 |
| Leadore | 102 |
| Lowman | 52 |
| City | 2026 Pop. ↓ |
|---|---|
| Meridian | 149,862 |
| Moscow | 27,580 |
| Mountain Home | 17,331 |
| Middleton | 12,811 |
| McCall | 4,297 |
| Mountain Home AFB | 3,189 |
| Montpelier | 2,724 |
| Malad City | 2,342 |
| Moyie Springs | 1,421 |
| Moreland | 1,411 |
| Marsing | 1,252 |
| McCammon | 822 |
| Menan | 743 |
| Mullan | 689 |
| Melba | 652 |
| Mackay | 499 |
| Mud Lake | 379 |
| Murphy | 231 |
| Midvale | 230 |
| Malta | 184 |
| Moore | 181 |
| Murtaugh | 127 |
| Minidoka | 84 |
| City | 2026 Pop. ↓ |
|---|---|
| Nampa | 125,310 |
| New Plymouth | 1,654 |
| New Meadows | 728 |
| Notus | 603 |
| Nezperce | 485 |
| Newdale | 332 |
| City | 2026 Pop. ↓ |
|---|---|
| Star | 21,579 |
| Sandpoint | 11,300 |
| Shelley | 5,472 |
| St. Anthony | 4,286 |
| Salmon | 3,337 |
| Soda Springs | 3,186 |
| Sugar City | 2,726 |
| St. Maries | 2,548 |
| Spirit Lake | 2,524 |
| Shoshone | 1,805 |
| Sun Valley | 1,761 |
| Silverton | 746 |
| Smelterville | 723 |
| Swan Valley | 345 |
| St. Charles | 196 |
| Stites | 194 |
| Sweetwater | 174 |
| Stanley | 125 |
| Smiths Ferry | 65 |
| State Line | 38 |
| Spencer | 31 |
| City | 2026 Pop. ↓ |
|---|---|
| Ucon | 1,243 |
| City | 2026 Pop. ↓ |
|---|---|
| Weiser | 6,336 |
| Wendell | 3,084 |
| Wilder | 1,789 |
| Wallace | 839 |
| Weston | 602 |
| Weippe | 417 |
| Winchester | 373 |
| Worley | 248 |
| Wardner | 209 |
| White Bird | 90 |
| Warm River | 1 |
| City | 2026 Pop. ↓ |
|---|---|
| Yellow Pine | 454 |