Salta's 2021 population is now estimated at 696,715. In 1950, the population of Salta was 77,248. Salta has grown by 11,964 since 2015, which represents a 1.75% 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 Salta, which typically includes Salta's population in addition to adjacent suburban areas.