Seongnam Population 2020
Seongnam's 2020 population is now estimated at 943,768. In 1950, the population of Seongnam was 54,507. Seongnam has grown by -1,978 since 2015, which represents a -0.21% 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 Seongnam, which typically includes Seongnam's population in addition to adjacent suburban areas.