Mombasa's 2025 population is now estimated at 1,553,460. In 1950, the population of Mombasa was 93,871. Mombasa has grown by 58,240 in the last year, which represents a 3.9% 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 Mombasa, which typically includes Mombasa's population in addition to adjacent suburban areas.