23 cities
| City | 2025 Pop. ↓ |
|---|---|
| Medellin | 4,172,810 |
| Manizales | 461,292 |
| Monteria | 456,672 |
| Maicao | 130,348 |
| Malambo | 101,534 |
| Magangue | 100,313 |
| Montelibano | 85,000 |
| Madrid | 50,437 |
| Montenegro | 36,499 |
| Mompos | 30,861 |
| Morales | 29,617 |
| Mosquera | 27,005 |
| Melgar | 25,980 |
| Marinilla | 24,171 |
| Maria la Baja | 23,401 |
| Mocoa | 22,035 |
| Morales | 20,375 |
| Malaga | 18,739 |
| Manzanares | 16,278 |
| Manati | 14,140 |
| Miranda | 13,223 |
| Marsella | 11,158 |
| Majagual | 11,139 |