Samarra's 2026 population is now estimated at 356,599. In 1950, the population of Samarra was 11,300. Samarra has grown by 9,191 in the last year, which represents a 2.65% 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 Samarra, which typically includes Samarra's population in addition to adjacent suburban areas.