Taizhong's 2025 population is now estimated at 1,393,190. In 1950, the population of Taizhong was 235,477. Taizhong has grown by 11,330 in the last year, which represents a 0.82% 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 Taizhong, which typically includes Taizhong's population in addition to adjacent suburban areas.