Miami's 2021 population is now estimated at 6,167,358. In 1950, the population of Miami was 621,799. Miami has grown by 45,224 since 2015, which represents a 0.74% 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 Miami, which typically includes Miami's population in addition to adjacent suburban areas.