Shangyu's 2021 population is now estimated at 524,344. In 1950, the population of Shangyu was 4,183. Shangyu has grown by 13,531 since 2015, which represents a 2.65% 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 Shangyu, which typically includes Shangyu's population in addition to adjacent suburban areas.