Orumiyeh's 2021 population is now estimated at 808,149. In 1950, the population of Orumiyeh was 49,407. Orumiyeh has grown by 15,105 since 2015, which represents a 1.90% 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 Orumiyeh, which typically includes Orumiyeh's population in addition to adjacent suburban areas.