Zhumadian's 2021 population is now estimated at 747,329. In 1950, the population of Zhumadian was 25,912. Zhumadian has grown by 31,327 since 2015, which represents a 4.38% 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.