Loum's 2026 population is now estimated at 646,957. In 1950, the population of Loum was 4,802. Loum has grown by 23,621 in the last year, which represents a 3.79% 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 Loum, which typically includes Loum's population in addition to adjacent suburban areas.