Sakarya's 2021 population is now estimated at 553,438. In 1950, the population of Sakarya was 34,602. Sakarya has grown by 13,993 since 2015, which represents a 2.59% 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 Sakarya, which typically includes Sakarya's population in addition to adjacent suburban areas.