Suizhou's 2025 population is now estimated at 481,349. In 1950, the population of Suizhou was 183,547. Suizhou has grown by 7,566 in the last year, which represents a 1.6% 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 Suizhou, which typically includes Suizhou's population in addition to adjacent suburban areas.