| | City | Population |
| 1. | Reykjavik | 113,906 |
| 2. | Kopavogur | 26,157 |
| 3. | Hafnarfjordur | 22,289 |
| 4. | Akureyri | 16,563 |
| 5. | Gardabar | 9,265 |
| 6. | Keflavik | 7,930 |
| 7. | Akranes | 5,606 |
| 8. | Selfoss | 5,396 |
| 9. | Njardvik | 2,844 |
| 10. | Saudarkrokur | 2,682 |
| 11. | Grindavik | 2,539 |
| 12. | Isafjordur | 2,534 |
| 13. | Husavik | 2,338 |
| 14. | Egilsstadir | 2,265 |
| 15. | Hveragerdi | 1,934 |
| 16. | Borgarnes | 1,783 |
| 17. | Hofn | 1,695 |
| 18. | Neskaupstadur | 1,410 |
| 19. | Dalvik | 1,403 |
| 20. | Siglufjordur | 1,391 |
| 21. | Sandgerdi | 1,371 |
| 22. | Torlakshofn | 1,262 |
| 23. | Stykkisholmur | 1,059 |
| 24. | Olafsvik | 992 |
| 25. | Eskifjordur | 984 |
| 26. | Vogar | 982 |
| 27. | Blonduos | 936 |
| 28. | Bolungarvik | 918 |
| 29. | Olafsfjordur | 914 |
| 30. | Reydarfjordur | 766 |
| 31. | Hvolsvollur | 753 |
| 32. | Seydisfjordur | 699 |
| 33. | Hella | 694 |
| 34. | Patreksfjordur | 674 |
| 35. | Faskrudsfjordur | 630 |
| 36. | Eyrarbakki | 594 |
| 37. | Hvammstangi | 573 |
| 38. | Skagastrond | 550 |
| 39. | Vopnafjordur | 537 |
| 40. | Stokkseyri | 459 |
| 41. | Holmavik | 424 |
| 42. | Hnifsdalur | 409 |
| 43. | Hellissandur | 408 |
| 44. | Djupivogur | 389 |
| 45. | Sudureyri | 353 |
| 46. | Torshofn | 351 |
| 47. | Grenivik | 300 |
| 48. | Flateyri | 299 |
| 49. | Tingeyri | 299 |
| 50. | Stodvarfjordur | 243 |
| 51. | Budardalur | 233 |
| 52. | Hvanneyri | 231 |
| 53. | Raufarhofn | 226 |
| 54. | Laugarvatn | 212 |
| 55. | Bildudalur | 204 |
| 56. | Reykjahlid | 204 |
| 57. | Sudavik | 195 |
| 58. | Hofsos | 172 |
| 59. | Breiddalsvik | 169 |
| 60. | Kopasker | 144 |
| 61. | Kirkjubajarklaustur | 139 |
| 62. | Litli-Arskogssandur | 130 |
| 63. | Hafnir | 118 |
| 64. | Reykholar | 117 |
| 65. | Holar | 108 |
| 66. | Bakkafjordur | 97 |
| 67. | Drangsnes | 77 |
| 68. | Hallormsstadur | 57 |
| 69. | Eidar | 48 |
| 70. | Hjalteyri | 41 |
| 71. | Reykholt | 31 |
| 72. | Bordeyri | 27 |
| 73. | Solheimar | 10 |
The Source for World Rankings