Zhumadian's 2025 population is now estimated at 851,392. In 1950, the population of Zhumadian was 25,912. Zhumadian has grown by 22,031 in the last year, which represents a 2.66% 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 Zhumadian, which typically includes Zhumadian's population in addition to adjacent suburban areas.