Sakarya's 2025 population is now estimated at 598,340. In 1950, the population of Sakarya was 34,602. Sakarya has grown by 9,346 in the last year, which represents a 1.59% 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.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Istanbul | 16,236,700 | 1.18% |
| Ankara | 5,550,490 | 1.34% |
| Izmir | 3,152,090 | 1.02% |
| Bursa | 2,142,600 | 1.28% |
| Adana | 1,876,820 | 1.09% |
| Gaziantep | 1,858,710 | 1.4% |
| Konya | 1,450,150 | 1.41% |
| Antalya | 1,394,590 | 1.62% |
| Diyarbakir | 1,128,360 | 1.35% |
| Mersin | 1,099,040 | 1.31% |
| Kayseri | 1,037,250 | 1.15% |
| Eskisehir | 860,518 | 1.48% |
| Gebze | 846,841 | 1.86% |
| Samsun | 718,641 | 1.68% |
| Denizli | 712,016 | 1.54% |
| Sanliurfa | 622,137 | 1.02% |
| Kahramanmaras | 601,640 | 1.5% |
| Sakarya | 598,340 | 1.59% |
| Van | 578,392 | 1.8% |
| Malatya | 532,469 | 1.23% |
| Batman | 480,040 | 1.48% |
| Erzurum | 467,875 | 1.34% |
| Elazig | 451,906 | 1.56% |
| Manisa | 419,194 | 1.49% |
| Sivas | 401,785 | 1.48% |
| Izmit | 376,464 | 1.34% |
| Balikesir | 354,366 | 1.6% |
