Samsun's 2021 population is now estimated at 660,863. In 1950, the population of Samsun was 78,379. Samsun has grown by 18,271 since 2015, which represents a 2.84% 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 Samsun, which typically includes Samsun's population in addition to adjacent suburban areas.