Pekan Baru's 2021 population is now estimated at 1,238,274. In 1950, the population of Pekan Baru was 36,586. Pekan Baru has grown by 33,391 since 2015, which represents a 2.77% 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 Pekan Baru, which typically includes Pekan Baru's population in addition to adjacent suburban areas.