Huambo's 2026 population is now estimated at 805,507. In 1950, the population of Huambo was 15,306. Huambo has grown by 28,171 in the last year, which represents a 3.62% 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 Huambo, which typically includes Huambo's population in addition to adjacent suburban areas.