Huambo's 2025 population is now estimated at 777,336. In 1950, the population of Huambo was 15,306. Huambo has grown by 26,039 in the last year, which represents a 3.47% 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.