Uijeongbu's 2021 population is now estimated at 423,722. In 1950, the population of Uijeongbu was 40,660. Uijeongbu has grown by 98 since 2015, which represents a 0.02% 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 Uijeongbu, which typically includes Uijeongbu's population in addition to adjacent suburban areas.