Qinzhou's 2021 population is now estimated at 661,953. In 1950, the population of Qinzhou was 3,138. Qinzhou has grown by 17,594 since 2015, which represents a 2.73% 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 Qinzhou, which typically includes Qinzhou's population in addition to adjacent suburban areas.