Gombe's 2021 population is now estimated at 529,283. In 1950, the population of Gombe was 26,210. Gombe has grown by 20,708 since 2015, which represents a 4.07% 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 Gombe, which typically includes Gombe's population in addition to adjacent suburban areas.