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.