Zaragoza's 2025 population is now estimated at 742,924. In 1950, the population of Zaragoza was 262,906. Zaragoza has grown by 1,986 in the last year, which represents a 0.27% 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 Zaragoza, which typically includes Zaragoza's population in addition to adjacent suburban areas.