Jubayl's 2021 population is now estimated at 631,060. In 1950, the population of Jubayl was 5,305. Jubayl has grown by 25,317 since 2015, which represents a 4.18% 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 Jubayl, which typically includes Jubayl's population in addition to adjacent suburban areas.