City | 2024 Population |
|---|---|
| Mackay | 492 |
| Malad City | 2,360 |
| Malta | 179 |
| Marsing | 1,264 |
| McCall | 4,181 |
| McCammon | 812 |
| Melba | 593 |
| Menan | 740 |
| Meridian | 139,920 |
| Middleton | 11,501 |
| Midvale | 222 |
| Minidoka | 90 |
| Montpelier | 2,741 |
| Moore | 180 |
| Moreland | 1,440 |
| Moscow | 26,677 |
| Mountain Home | 16,921 |
| Mountain Home AFB | 3,217 |
| Moyie Springs | 1,162 |
| Mud Lake | 363 |
| Mullan | 687 |
| Murphy | 154 |
| Murtaugh | 122 |