Grande Sao Luis's 2021 population is now estimated at 1,498,475. In 1950, the population of Grande Sao Luis was 119,785. Grande Sao Luis has grown by 12,712 since 2015, which represents a 0.86% 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 Grande Sao Luis, which typically includes Grande Sao Luis's population in addition to adjacent suburban areas.