Qinzhou's 2025 population is now estimated at 726,031. In 1950, the population of Qinzhou was 3,138. Qinzhou has grown by 14,645 in the last year, which represents a 2.06% 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.