Salerno's 2021 population is now estimated at 420,073. In 1950, the population of Salerno was 238,725. Salerno has grown by 604 since 2015, which represents a 0.14% 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 Salerno, which typically includes Salerno's population in addition to adjacent suburban areas.