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.