Baixada Santista's 2021 population is now estimated at 1,911,338. In 1950, the population of Baixada Santista was 242,441. Baixada Santista has grown by 19,024 since 2015, which represents a 1.01% 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 Baixada Santista, which typically includes Baixada Santista's population in addition to adjacent suburban areas.