Mbandaka's 2026 population is now estimated at 557,206. In 1950, the population of Mbandaka was 17,945. Mbandaka has grown by 22,228 in the last year, which represents a 4.15% 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 Mbandaka, which typically includes Mbandaka's population in addition to adjacent suburban areas.