10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kodiak | 1 | 5,220 | 5,555 | -1.27% | 1,328 | 3.93 | City |
| Mill Bay | 2 | 4,521 | 3,904 | 7.13% | 1,313 | 3.44 | CDP |
| Kodiak Station | 3 | 2,316 | 1,789 | 3.02% | 100 | 23.21 | CDP |
| Womens Bay | 4 | 1,149 | 852 | 2.59% | 26 | 43.92 | CDP |
| Old Harbor | 5 | 201 | 215 | -1.47% | 12 | 16.19 | City |
| Port Lions | 6 | 161 | 171 | -1.23% | 32 | 4.99 | City |
| Ouzinkie | 7 | 99 | 106 | -1% | 18 | 5.54 | City |
| Akhiok | 8 | 62 | 67 | -1.59% | 8 | 7.40 | City |
| Karluk | 9 | 34 | 28 | 6.25% | 1 | 55.94 | CDP |
| Larsen Bay | 10 | 32 | 34 | 0% | 8 | 4.03 | City |
Kodiak is the largest city in Kodiak Island Borough, with a population of 5,220.
Larsen Bay is the smallest city in Kodiak Island Borough.
There are 10 cities in Kodiak Island Borough, Alaska.