Hamhung's 2021 population is now estimated at 545,847. In 1950, the population of Hamhung was 168,827. Hamhung has grown by -3,145 since 2015, which represents a -0.57% 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 Hamhung, which typically includes Hamhung's population in addition to adjacent suburban areas.