Yuyao's 2021 population is now estimated at 695,704. In 1950, the population of Yuyao was 6,840. Yuyao has grown by 16,863 since 2015, which represents a 2.48% 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 Yuyao, which typically includes Yuyao's population in addition to adjacent suburban areas.