Manzhouli's 2025 population is now estimated at 382,301. In 1950, the population of Manzhouli was 40,528. Manzhouli has grown by 8,030 in the last year, which represents a 2.15% 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 Manzhouli, which typically includes Manzhouli's population in addition to adjacent suburban areas.