Keflavik og Njardvik's 2026 population is now estimated at 23,732. In 2000, the population of Keflavik og Njardvik was 10,483. Keflavik og Njardvik has grown by 962 in the last year, which represents a 4.22% annual change. These population values and projections come from Statistics Iceland PX table MAN030102 localities population series and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Reykjavik | 249,228 | 1.96% |
| Keflavik og Njardvik | 23,732 | 4.22% |
| Akureyri | 20,483 | 1.59% |
| Selfoss | 10,597 | 3.61% |
| Akranes | 8,530 | 2.25% |
| Vestmannaeyjar | 4,537 | 1.05% |
| Grindavik | 3,658 | 1.16% |
| Hveragerdi | 3,622 | 5.14% |
| Isafjordur | 2,707 | 0.52% |
| Egilsstadir | 2,686 | 1.21% |
| Saudarkrokur | 2,612 | 0.08% |
| Husavik | 2,497 | 0.97% |
| Alftanes | 2,458 | -0.57% |
| Thorlakshofn | 2,235 | 4.73% |
| Borgarnes | 2,204 | 1.33% |
| Sandgerdi | 2,077 | 2.16% |
| Gardur | 1,965 | 2.77% |
| Hofn i Hornafirdi | 1,795 | 0.79% |
| Vogar | 1,499 | 3.95% |
| Neskaupstadur | 1,466 | 0.21% |
| Reydarfjordur | 1,379 | 0.36% |
| Dalvik | 1,360 | 0% |
| Siglufjordur | 1,168 | 0.17% |
| Stykkisholmur | 1,167 | -0.09% |
| Eskifjordur | 1,126 | 1.72% |
| Hvolsvollur | 1,109 | 1.37% |
| Hella | 1,096 | 3.89% |
| Bolungarvik | 1,007 | 1.82% |
| Olafsvik | 955 | -0.31% |
| Blonduos | 825 | -0.6% |
| Patreksfjordur | 795 | 2.58% |
| Faskrudsfjordur | 765 | 2% |
| Grundarfjordur | 763 | -0.91% |
| Olafsfjordur | 747 | -1.06% |
| Vik i Myrdal | 706 | 5.06% |
| Seydisfjordur | 656 | 0.61% |
| Eyrarbakki | 638 | 2.74% |
| Hvammstangi | 611 | 0.33% |
| Stokkseyri | 553 | 1.65% |
| Grundarhverfi | 532 | 0.19% |
| Fludir | 531 | 3.11% |
| Vopnafjordur | 507 | -0.2% |
| Skagastrond | 443 | -0.45% |
