6 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 |
| Old Harbor | 2 | 205 | 214 | -0.97% | 13 | 16 | City |
| Port Lions | 3 | 164 | 171 | -1.2% | 33 | 5 | City |
| Ouzinkie | 4 | 104 | 107 | -0.95% | 19 | 6 | City |
| Akhiok | 5 | 62 | 66 | -1.59% | 8 | 7 | City |
| Larsen Bay | 6 | 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 6 cities in Kodiak Island Borough, Alaska.