Ad Dammam's 2021 population is now estimated at 1,279,092. In 1950, the population of Ad Dammam was 20,000. Ad Dammam has grown by 26,569 since 2015, which represents a 2.12% 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 Ad Dammam, which typically includes Ad Dammam's population in addition to adjacent suburban areas.