10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kodiak | 1 | 5,360 | 5,554 | -0.72% | 1,364 | 4 | City |
| Mill Bay | 2 | 4,521 | 3,904 | 7.13% | 1,313 | 3 | CDP |
| Kodiak Station | 3 | 2,316 | 1,789 | 3.02% | 100 | 23 | CDP |
| Womens Bay | 4 | 1,149 | 852 | 2.59% | 26 | 44 | CDP |
| Old Harbor | 5 | 205 | 214 | -0.97% | 13 | 16 | City |
| Port Lions | 6 | 164 | 171 | -1.2% | 33 | 5 | City |
| Ouzinkie | 7 | 104 | 107 | -0.95% | 19 | 6 | City |
| Akhiok | 8 | 62 | 66 | -1.59% | 8 | 7 | City |
| Karluk | 9 | 34 | 28 | 6.25% | 1 | 56 | CDP |
| Larsen Bay | 10 | 32 | 34 | -3.03% | 8 | 4 | City |
Kodiak is the largest city in Kodiak Island Borough, with a population of 5,360.
Larsen Bay is the smallest city in Kodiak Island Borough, with a population of 32.
There are 10 cities in Kodiak Island Borough, Alaska.