City | 2024 Population |
|---|---|
| Madison | 6,034 |
| Maltby | 14 |
| Manchester | 64 |
| Manderson-White Horse Creek | 845 |
| Mapleton | 2,102 |
| Marindahl | 162 |
| Marion | 881 |
| Marlar | 19 |
| Marshfield | 38 |
| Martin | 934 |
| Marty | 157 |
| Marvin | 18 |
| Mathews | 118 |
| Maydell | 48 |
| Mayfield | 176 |
| Mayfield Colony | 104 |
| Mazeppa | 89 |
| McIntosh | 109 |
| McKinley | 30 |
| McLaughlin | 546 |
| McNeely | 52 |
| Meadow | 39 |
| Meadow View Addition | 636 |
| Meckling | 45 |
| Medary | 1,575 |
| Media | 65 |
| Mellette | 194 |
| Melrose | 364 |
| Menno | 613 |
| Mercier | 164 |
| Merton | 37 |
| Middleton | 265 |
| Midland | 105 |
| Milbank | 3,443 |
| Milford | 69 |
| Millboro | 24 |
| Millbrook Colony | 19 |
| Miller | 1,325 |
| Millerdale Colony | 156 |
| Milltown | 25 |
| Mina | 916 |
| Miner | 25 |
| Minnesota | 102 |
| Mission | 1,135 |
| Mission Hill | 186 |
| Mitchell | 1,068 |
| Mobridge | 3,213 |
| Modena | 25 |
| Molan | 123 |
| Mondamin | 19 |
| Monroe | 159 |
| Montpelier | 43 |
| Montrose | 470 |
| Moore | 77 |
| Moreau | 18 |
| Morningside | 115 |
| Morristown | 44 |
| Morton | 74 |
| Mosher | 23 |
| Mound City | 65 |
| Mount Pleasant | 266 |
| Mount Rushmore | 4,914 |
| Mount Vernon | 466 |
| Mountain Plains | 568 |
| Mullen | 4 |
| Murdo | 446 |
| Mussman | 13 |
| Myron | 145 |