Maceio's 2021 population is now estimated at 1,336,999. In 1950, the population of Maceio was 123,438. Maceio has grown by 13,960 since 2015, which represents a 1.06% 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 Maceio, which typically includes Maceio's population in addition to adjacent suburban areas.