Jubayl's 2026 population is now estimated at 726,748. In 1950, the population of Jubayl was 5,305. Jubayl has grown by 14,919 in the last year, which represents a 2.1% 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.