Xinyu's 2021 population is now estimated at 890,884. In 1950, the population of Xinyu was 10,416. Xinyu has grown by 33,317 since 2015, which represents a 3.89% 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 Xinyu, which typically includes Xinyu's population in addition to adjacent suburban areas.