San Juan Population 2020
San Juan's 2020 population is now estimated at 536,913. In 1950, the population of San Juan was 108,151. San Juan has grown by 20,480 since 2015, which represents a 0.78% 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 San Juan, which typically includes San Juan's population in addition to adjacent suburban areas.