Jiaozhou's 2025 population is now estimated at 627,475. In 1950, the population of Jiaozhou was 16,202. Jiaozhou has grown by 13,305 in the last year, which represents a 2.17% 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 Jiaozhou, which typically includes Jiaozhou's population in addition to adjacent suburban areas.