Kuantan's 2026 population is now estimated at 569,317. In 1950, the population of Kuantan was 41,445. Kuantan has grown by 10,377 in the last year, which represents a 1.86% 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 Kuantan, which typically includes Kuantan's population in addition to adjacent suburban areas.