Gorgan's 2026 population is now estimated at 395,930. In 1950, the population of Gorgan was 16,254. Gorgan has grown by 4,411 in the last year, which represents a 1.13% 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 Gorgan, which typically includes Gorgan's population in addition to adjacent suburban areas.
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Tehran | 9,840,100 | 1.13% |
| Mashhad | 3,503,160 | 1.23% |
| Shiraz | 1,784,280 | 1.16% |
| Tabriz | 1,713,390 | 1.04% |
| Karaj | 1,627,960 | 0.82% |
| Qom | 1,409,610 | 1.24% |
| Ahvaz | 1,339,790 | 1.13% |
| Kermanshah | 1,131,900 | 1.3% |
| Orumiyeh | 871,090 | 1.27% |
| Rasht | 766,257 | 1.12% |
| Bandar Abbas | 702,281 | 1.64% |
| Zahedan | 650,565 | 1.07% |
| Ardabil | 621,815 | 1.25% |
| Hamadan | 618,469 | 1.09% |
| Yazd | 616,739 | 1.22% |
| Arak | 596,642 | 1.17% |
| Kerman | 564,192 | 0.9% |
| Zanjan | 516,352 | 1.31% |
| Sanandaj | 488,805 | 1.27% |
| Qazvin | 449,852 | 1.09% |
| Khorramabad | 425,870 | 1.16% |
| Sari | 341,682 | 1.05% |
