Tongxiang's 2021 population is now estimated at 656,136. In 1950, the population of Tongxiang was 5,820. Tongxiang has grown by 26,609 since 2015, which represents a 4.23% 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 Tongxiang, which typically includes Tongxiang's population in addition to adjacent suburban areas.