| Source | UN (World Urbanization Prospects 2018) |
| Date | 09 Apr 2026 |
| Code | City | Population | Share (%) | Rank | Change | |||
|---|---|---|---|---|---|---|---|---|
| 2025 | 2026 | Iran | World | Population | (%) | |||
| Tehr | Tehrān (Tehran) | 9,174,964 | 9,206,970 | 9.96 | 1 | 38 | 32,006 | 0.35 |
| Mash | Mashhad | 5,398,248 | 5,417,340 | 5.86 | 2 | 75 | 19,092 | 0.35 |
| Kara | Karaj | 3,598,661 | 3,624,426 | 3.92 | 3 | 132 | 25,765 | 0.72 |
| Isfa | Isfahan | 1,844,409 | 1,861,888 | 2.01 | 4 | 273 | 17,479 | 0.95 |
| Ahwa | Ahwaz | 1,639,321 | 1,649,169 | 1.78 | 5 | 296 | 9,848 | 0.60 |
| Tabr | Tabriz | 1,309,004 | 1,312,813 | 1.42 | 6 | 397 | 3,809 | 0.29 |
| Sarv | Sarvestan | 1,039,168 | 1,047,362 | 1.13 | 7 | 494 | 8,194 | 0.79 |
| Khar | Kharameh | 983,056 | 991,039 | 1.07 | 8 | 524 | 7,983 | 0.81 |
| Shir | Shiraz | 914,496 | 917,508 | 0.993 | 9 | 568 | 3,012 | 0.33 |
| Kava | Kavar | 857,280 | 863,115 | 0.934 | 10 | 612 | 5,835 | 0.68 |
| Kerm | Kermanshah | 837,230 | 838,657 | 0.907 | 11 | 632 | 1,427 | 0.17 |
| Qom | Qom | 815,416 | 817,744 | 0.885 | 12 | 650 | 2,328 | 0.29 |
| Urmi | Urmia | 698,050 | 699,840 | 0.757 | 13 | 772 | 1,790 | 0.26 |
| Rash | Rasht | 579,481 | 583,580 | 0.631 | 14 | 950 | 4,099 | 0.71 |
| Zahe | Zahedan | 531,482 | 532,333 | 0.576 | 15 | 1050 | 851 | 0.16 |
| Kerm | Kerman | 517,216 | 519,540 | 0.562 | 16 | 1075 | 2,324 | 0.45 |
| Hame | Hamedan | 498,337 | 499,010 | 0.540 | 17 | 1121 | 673 | 0.14 |
| Yazd | Yazd | 485,381 | 488,056 | 0.528 | 18 | 1151 | 2,675 | 0.55 |
| Arda | Ardabil | 437,757 | 440,325 | 0.476 | 19 | 1279 | 2,568 | 0.59 |
| Sare | Sareyn | 413,772 | 418,176 | 0.452 | 20 | 1366 | 4,404 | 1.06 |
| Pish | Pishva | 388,154 | 391,736 | 0.424 | 21 | 1467 | 3,582 | 0.92 |
| Band | Bandar Abbas | 381,008 | 384,075 | 0.416 | 22 | 1500 | 3,067 | 0.80 |
| Zanj | Zanjan | 370,993 | 373,381 | 0.404 | 23 | 1544 | 2,388 | 0.64 |
| Qarc | Qarchak | 369,782 | 371,800 | 0.402 | 24 | 1551 | 2,018 | 0.55 |
| Arak | Arak | 366,442 | 366,874 | 0.397 | 25 | 1571 | 432 | 0.12 |
| Qazv | Qazvin | 355,865 | 358,187 | 0.388 | 26 | 1614 | 2,322 | 0.65 |
| Narm | Narmashir | 329,526 | 334,537 | 0.362 | 27 | 1735 | 5,011 | 1.52 |
| Sana | Sanandaj | 325,425 | 326,688 | 0.353 | 28 | 1772 | 1,263 | 0.39 |
| Khor | Khorramabad | 324,110 | 324,718 | 0.351 | 29 | 1784 | 608 | 0.19 |
| Fame | Famenin | 320,591 | 321,708 | 0.348 | 30 | 1797 | 1,117 | 0.35 |
| Safa | Safadasht | 315,054 | 320,362 | 0.347 | 31 | 1810 | 5,308 | 1.68 |
| Gorg | Gorgan | 310,644 | 310,841 | 0.336 | 32 | 1869 | 197 | 0.06 |
| ویس | ویس | 304,967 | 307,597 | 0.333 | 33 | 1893 | 2,630 | 0.86 |
| جیرف | جیرفت | 276,001 | 278,173 | 0.301 | 34 | 2107 | 2,172 | 0.79 |
| Qara | Qaraziadin | 264,943 | 266,067 | 0.288 | 35 | 2219 | 1,124 | 0.42 |
| Pard | Pardis | 263,537 | 265,189 | 0.287 | 36 | 2229 | 1,652 | 0.63 |
| Sari | Sari | 263,887 | 263,854 | 0.286 | 37 | 2240 | -33 | -0.01 |
| Moll | Mollasani | 262,157 | 263,563 | 0.285 | 38 | 2244 | 1,406 | 0.54 |
| Bojn | Bojnurd | 241,786 | 242,210 | 0.262 | 39 | 2450 | 424 | 0.18 |
| Neys | Neyshabur | 240,369 | 240,719 | 0.260 | 40 | 2467 | 350 | 0.15 |
| Babo | Babol | 237,234 | 238,021 | 0.258 | 41 | 2489 | 787 | 0.33 |
| Dezf | Dezful | 228,963 | 229,277 | 0.248 | 42 | 2589 | 314 | 0.14 |
| Moha | MohammadAbad-e Rigan | 225,871 | 229,122 | 0.248 | 43 | 2593 | 3,251 | 1.44 |
| Kash | Kashan | 218,559 | 223,464 | 0.242 | 44 | 2663 | 4,905 | 2.24 |
| Sura | Surak | 220,791 | 221,539 | 0.240 | 45 | 2697 | 748 | 0.34 |
| Fahr | Fahraj | 211,342 | 214,061 | 0.232 | 46 | 2798 | 2,719 | 1.29 |
| Taso | Tasouj | 201,100 | 202,950 | 0.220 | 47 | 2980 | 1,850 | 0.92 |
| Boru | Borujerd | 202,223 | 202,534 | 0.219 | 48 | 2986 | 311 | 0.15 |
| Abad | Abadan | 200,998 | 201,663 | 0.218 | 49 | 2997 | 665 | 0.33 |
| معزآ | معزآباد جابری | 196,363 | 197,866 | 0.214 | 50 | 3069 | 1,503 | 0.77 |
| Khoy | Khoy | 195,377 | 195,872 | 0.212 | 51 | 3092 | 495 | 0.25 |
| Golm | Golmorti | 188,615 | 189,762 | 0.205 | 52 | 3211 | 1,147 | 0.61 |
| Amol | Amol | 186,561 | 186,612 | 0.202 | 53 | 3269 | 51 | 0.03 |
| Dola | Dolatabad | 183,478 | 185,570 | 0.201 | 54 | 3290 | 2,092 | 1.14 |
| Neqa | Neqab | 183,769 | 185,055 | 0.200 | 55 | 3297 | 1,286 | 0.70 |
| Chab | Chabahar | 172,663 | 173,270 | 0.187 | 56 | 3536 | 607 | 0.35 |
| Qaem | Qaem Shahr | 172,684 | 172,665 | 0.187 | 57 | 3553 | -19 | -0.01 |
| Buka | Bukan | 170,393 | 170,941 | 0.185 | 58 | 3592 | 548 | 0.32 |
| Yasu | Yasuj | 168,833 | 169,708 | 0.184 | 59 | 3610 | 875 | 0.52 |
| Gonb | Gonbad-e Qabus | 164,007 | 164,083 | 0.178 | 60 | 3729 | 76 | 0.05 |
| Naja | Najafabad | 162,696 | 163,820 | 0.177 | 61 | 3733 | 1,124 | 0.69 |
| Sirj | Sirjan | 162,163 | 162,796 | 0.176 | 62 | 3757 | 633 | 0.39 |
| Moha | Mohammad Shahr | 159,537 | 162,410 | 0.176 | 63 | 3771 | 2,873 | 1.80 |
| Birj | Birjand | 161,885 | 162,374 | 0.176 | 64 | 3772 | 489 | 0.30 |
| Ilam | Ilam | 159,022 | 159,336 | 0.172 | 65 | 3849 | 314 | 0.20 |
| Maha | Mahabad | 154,949 | 155,635 | 0.168 | 66 | 3948 | 686 | 0.44 |
| Mara | Maragheh | 152,748 | 153,298 | 0.166 | 67 | 4003 | 550 | 0.36 |
| Vali | Valiasr | 149,542 | 150,868 | 0.163 | 68 | 4074 | 1,326 | 0.89 |
| Izeh | Izeh | 150,312 | 150,552 | 0.163 | 69 | 4083 | 240 | 0.16 |
| Saqq | Saqqez | 149,169 | 149,763 | 0.162 | 70 | 4093 | 594 | 0.40 |
| Shah | Shahin Shahr | 145,702 | 149,440 | 0.162 | 71 | 4105 | 3,738 | 2.57 |
| Akba | Akbarabad | 147,404 | 148,118 | 0.160 | 72 | 4151 | 714 | 0.48 |
| Pakd | Pakdasht | 144,696 | 146,298 | 0.158 | 73 | 4211 | 1,602 | 1.11 |
| Torb | Torbat-e Heydarieh | 144,959 | 145,236 | 0.157 | 74 | 4246 | 277 | 0.19 |
| Mesh | Meshkan | 138,212 | 138,931 | 0.150 | 75 | 4438 | 719 | 0.52 |
| Mala | Malayer | 136,022 | 136,119 | 0.147 | 76 | 4529 | 97 | 0.07 |
| Jahr | Jahrom County | 133,040 | 134,167 | 0.145 | 77 | 4595 | 1,127 | 0.85 |
| Mian | Miandoab | 132,175 | 133,046 | 0.144 | 78 | 4638 | 871 | 0.66 |
| Save | Saveh | 129,086 | 129,951 | 0.141 | 79 | 4762 | 865 | 0.67 |
| Mari | Marivan | 129,028 | 129,537 | 0.140 | 80 | 4780 | 509 | 0.39 |
| Rafs | Rafsanjan | 126,418 | 126,763 | 0.137 | 81 | 4879 | 345 | 0.27 |
| Shus | Shushtar | 124,730 | 125,128 | 0.135 | 82 | 4961 | 398 | 0.32 |
| Mahd | Mahdishahr | 121,198 | 122,300 | 0.132 | 83 | 5086 | 1,102 | 0.91 |
| Zabo | Zabol | 121,279 | 121,747 | 0.132 | 84 | 5111 | 468 | 0.39 |
| Sabz | Sabzevar | 121,024 | 121,069 | 0.131 | 85 | 5140 | 45 | 0.04 |
| Kuhd | Kuhdasht | 119,507 | 119,747 | 0.130 | 86 | 5194 | 240 | 0.20 |
| Marv | Marvdasht | 116,583 | 116,849 | 0.126 | 87 | 5330 | 266 | 0.23 |
| Abba | Abbasabad | 114,933 | 115,681 | 0.125 | 88 | 5385 | 748 | 0.65 |
| Mara | Marand | 115,176 | 115,472 | 0.125 | 89 | 5398 | 296 | 0.26 |
| Kooh | Koohanjan | 114,257 | 115,247 | 0.125 | 90 | 5418 | 990 | 0.87 |
| Anar | Anar | 111,779 | 112,849 | 0.122 | 91 | 5537 | 1,070 | 0.96 |
| Salm | Salmas | 110,061 | 110,267 | 0.119 | 92 | 5672 | 206 | 0.19 |
| Khor | Khorramshahr | 105,228 | 109,470 | 0.118 | 93 | 5716 | 4,242 | 4.03 |
| Bane | Baneh | 107,841 | 108,240 | 0.117 | 94 | 5773 | 399 | 0.37 |
| Behb | Behbahan | 107,511 | 108,153 | 0.117 | 95 | 5777 | 642 | 0.60 |
| Ghol | Gholāmān-e Pā’īn | 107,553 | 107,958 | 0.117 | 96 | 5791 | 405 | 0.38 |
| Andi | Andimeshk | 107,403 | 107,650 | 0.116 | 97 | 5803 | 247 | 0.23 |
| Shah | Shahrud | 107,613 | 107,623 | 0.116 | 98 | 5807 | 10 | 0.01 |
| Rabo | Rabor | 105,601 | 106,905 | 0.116 | 99 | 5848 | 1,304 | 1.23 |
| Char | Charam | 105,011 | 105,852 | 0.115 | 100 | 5909 | 841 | 0.80 |
| Shah | Shahr-e Kord | 104,583 | 105,477 | 0.114 | 101 | 5932 | 894 | 0.85 |
| ساحل | ساحلی | 105,133 | 105,461 | 0.114 | 102 | 5933 | 328 | 0.31 |
| Firu | Firuzeh | 104,633 | 105,309 | 0.114 | 103 | 5940 | 676 | 0.65 |
| Doru | Dorud | 104,347 | 104,581 | 0.113 | 104 | 5986 | 234 | 0.22 |
| Quch | Quchan | 103,719 | 103,846 | 0.112 | 105 | 6030 | 127 | 0.12 |
| Sura | Suran | 102,852 | 103,369 | 0.112 | 106 | 6060 | 517 | 0.50 |
| Ahar | Ahar | 102,627 | 102,866 | 0.111 | 107 | 6087 | 239 | 0.23 |
| Iran | Iranshahr | 102,667 | 102,847 | 0.111 | 108 | 6089 | 180 | 0.18 |
| مهار | مهارلو کهنه | 99,733 | 100,997 | 0.109 | 109 | 6188 | 1,264 | 1.27 |
| Qebc | Qebchaq | 99,542 | 100,869 | 0.109 | 110 | 6202 | 1,327 | 1.33 |
| Bam | Bam | 99,482 | 100,311 | 0.109 | 111 | 6244 | 829 | 0.83 |