Dongyang's 2021 population is now estimated at 578,734. In 1950, the population of Dongyang was 3,135. Dongyang has grown by 12,651 since 2015, which represents a 2.23% 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 Dongyang, which typically includes Dongyang's population in addition to adjacent suburban areas.