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.