| Cotonou | 720 100 |
| Porto Novo | 226 700 |
| Parakou | 194 600 |
| Djougou | 180 200 |
| Bohicon | 147 600 |
| Kandi | 132 500 |
| Abomey | 114 800 |
| Natitinggou | 105 700 |
| Lokossa | 97 400 |
| Ouidah | 87 100 |
| Cové | 49 800 |
| Kouandé | 46 500 |
| Sakété | 37 700 |
| Savalou | 37 300 |
| Savé | 35 800 |
| Malanville | 34 900 |
| Dogbo | 32 600 |
| Pobé | 32 300 |
| Nikki | 30 300 |
| Comé | 24 100 |
| Allada | 23 400 |
| Aplahoué | 22 500 |
| Dassa | 22 300 |
| Bembéréké | 20 000 |