Daejon's 2021 population is now estimated at 1,569,459. In 1950, the population of Daejon was 131,475. Daejon has grown by 3,803 since 2015, which represents a 0.24% 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 Daejon, which typically includes Daejon's population in addition to adjacent suburban areas.