Arequipa's 2021 population is now estimated at 934,845. In 1950, the population of Arequipa was 128,309. Arequipa has grown by 11,846 since 2015, which represents a 1.28% 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 Arequipa, which typically includes Arequipa's population in addition to adjacent suburban areas.