Cotonou's 2025 population is now estimated at 757,989. In 1950, the population of Cotonou was 20,174. Cotonou has grown by 19,545 in the last year, which represents a 2.65% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects . These estimates represent the Urban agglomeration of Cotonou, which typically includes Cotonou's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Abomey-Calavi | 1,375,220 | |
| Parakou | 442,127 | |
| Djougou | 410,272 | |
| Porto-Novo | 234,168 | |
| Bohicon | 125,092 | |
| Kandi | 109,701 | |
| Lokossa | 86,971 | |
| Ouidah | 83,503 | |
| Abomey | 82,154 | |
| Natitingou | 80,892 | |
| Save | 75,970 | |
| Nikki | 54,009 | |
| Dogbo | 41,312 | |
| Cove | 38,566 | |
| Malanville | 37,117 | |
| Pobe | 32,983 | |
| Savalou | 30,187 | |
| Sakete | 30,111 | |
| Come | 29,208 | |
| Bembereke | 24,006 | |
| Bassila | 23,616 | |
| Banikoara | 22,487 | |
| Ketou | 22,341 | |
| Dassa-Zoume | 21,672 | |
| Tchaourou | 20,971 | |
| Allada | 20,094 | |
| Aplahoue | 19,862 | |
| Tanguieta | 19,833 | |
| Hevie | 13,450 | |
| Beterou | 13,108 |
