Deyang's 2021 population is now estimated at 885,818. In 1950, the population of Deyang was 12,283. Deyang has grown by 28,512 since 2015, which represents a 3.33% 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 Deyang, which typically includes Deyang's population in addition to adjacent suburban areas.