Hangzhou's 2021 population is now estimated at 7,845,501. In 1950, the population of Hangzhou was 610,395. Hangzhou has grown by 203,354 since 2015, which represents a 2.66% 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 Hangzhou, which typically includes Hangzhou's population in addition to adjacent suburban areas.