Tengzhou's 2025 population is now estimated at 1,394,750. In 1950, the population of Tengzhou was 2,907. Tengzhou has grown by 33,970 in the last year, which represents a 2.5% 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 Tengzhou, which typically includes Tengzhou's population in addition to adjacent suburban areas.