14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Port Alsworth | 1 | 158 | 200 | 0% | 7 | 22.56 | CDP |
| Newhalen | 2 | 141 | 163 | -2.76% | 23 | 6.03 | City |
| Nondalton | 3 | 110 | 129 | -3.51% | 16 | 6.74 | City |
| Kokhanok | 4 | 101 | 125 | -4.72% | 5 | 20.98 | CDP |
| Port Heiden | 5 | 85 | 99 | -3.41% | 2 | 46.77 | City |
| Chignik | 6 | 80 | 94 | -3.61% | 7 | 10.95 | City |
| Perryville | 7 | 78 | 54 | -2.5% | 7 | 11.17 | CDP |
| Pilot Point | 8 | 57 | 67 | -3.39% | 2 | 24.55 | City |
| Chignik Lagoon | 9 | 49 | 35 | 6.52% | 4 | 13.25 | CDP |
| Chignik Lake | 10 | 38 | 52 | 8.57% | 3 | 12.44 | CDP |
| Levelock | 11 | 35 | 40 | 6.06% | 2 | 16.73 | CDP |
| Egegik | 12 | 32 | 37 | -3.03% | 1 | 29.55 | City |
| Pedro Bay | 13 | 16 | 21 | 6.67% | 1 | 19.48 | CDP |
| Iliamna | 14 | 8 | 43 | -42.86% | 0.00 | 37.22 | CDP |
Port Alsworth is the largest city in Lake and Peninsula Borough, with a population of 158.
Iliamna is the smallest city in Lake and Peninsula Borough.
There are 14 cities in Lake and Peninsula Borough, Alaska.