| 2011 | |
|---|---|
| Tehran | 6 045 398 |
| Razavi Khorasan | 2 994 873 |
| Isfahan | 2 403 291 |
| Fars | 2 280 744 |
| Khuzestan | 2 245 511 |
| East Azerbaijan | 1 842 589 |
| Mazandaran | 1 531 208 |
| West Azerbaijan | 1 525 449 |
| Kerman | 1 456 649 |
| Sistan and Baluchestan | 1 265 579 |
| Gilan | 1 248 941 |
| Alborz | 1 189 892 |
| Kermanshah | 963 447 |
| Golestan | 890 184 |
| Hamadan | 874 832 |
| Lorestan | 870 550 |
| Hormozgan | 775 425 |
| Kurdistan | 742 489 |
| Markazi | 698 432 |
| Ardabil | 616 516 |
| Qazvin | 591 761 |
| Qom | 564 011 |
| Yazd | 520 864 |
| Zanjan | 506 542 |
| Bushehr | 471 994 |
| Chaharmahal and Bakhtiari Province | 444 295 |
| North Khorasan | 436 140 |
| South Khorasan | 329 795 |
| Kohgiluyeh and Boyer-Ahmad | 329 550 |
| Semnan | 311 918 |
| Ilam | 275 131 |