Guatemala City's 2025 population is now estimated at 3,229,740. In 1950, the population of Guatemala City was 361,264. Guatemala City has grown by 70,110 in the last year, which represents a 2.22% 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 Guatemala City, which typically includes Guatemala City's population in addition to adjacent suburban areas.