Kassala's 2026 population is now estimated at 424,600. In 1950, the population of Kassala was 30,312. Kassala has grown by 13,026 in the last year, which represents a 3.16% 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 Kassala, which typically includes Kassala's population in addition to adjacent suburban areas.