Mombasa's 2026 population is now estimated at 1,614,940. In 1950, the population of Mombasa was 93,871. Mombasa has grown by 61,480 in the last year, which represents a 3.96% 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.