12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sandpoint | 1 | 10,886 | 8,730 | 4.12% | 2,545 | 4 | City |
| Ponderay | 2 | 2,391 | 1,303 | 10.03% | 815 | 3 | City |
| Priest River | 3 | 1,894 | 1,669 | 2.43% | 846 | 2 | City |
| Dover | 4 | 1,301 | 775 | 8.78% | 413 | 3 | City |
| Kootenai | 5 | 1,118 | 958 | 2.95% | 2,018 | 1 | City |
| Clark Fork | 6 | 588 | 520 | 2.44% | 597 | 1 | City |
| Blanchard | 7 | 482 | 222 | 2.99% | 325 | 1 | CDP |
| Laclede | 8 | 364 | 364 | 7.06% | 319 | 1 | CDP |
| Oldtown | 9 | 269 | 221 | 3.86% | 327 | 1 | City |
| East Hope | 10 | 256 | 228 | 2.4% | 553 | 0 | City |
| Hope | 11 | 108 | 97 | 1.89% | 111 | 1 | City |
| Coolin | 12 | 11 | 12 | 10% | 22 | 1 | CDP |
Sandpoint is the largest city in Bonner County, with a population of 10,886.
Coolin is the smallest city in Bonner County, with a population of 11.
There are 12 cities in Bonner County, Idaho.