6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Montpelier | 1 | 2,767 | 2,637 | 0.95% | 1,194 | 2.32 | City |
| Paris | 2 | 555 | 540 | 0.54% | 159 | 3.49 | City |
| Georgetown | 3 | 525 | 502 | 0.96% | 772 | 0.68 | City |
| Bloomington | 4 | 225 | 197 | 2.74% | 236 | 0.95 | City |
| St. Charles | 5 | 201 | 163 | 4.15% | 274 | 0.73 | City |
| Bennington | 6 | 130 | 94 | -2.99% | 20 | 6.50 | CDP |
Montpelier is the largest city in Bear Lake County, with a population of 2,767.
Bennington is the smallest city in Bear Lake County.
There are 6 cities in Bear Lake County, Idaho.