5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Montpelier | 1 | 2,710 | 2,639 | 0.52% | 1,169 | 2 | City |
| Paris | 2 | 558 | 540 | 0.54% | 160 | 3 | City |
| Georgetown | 3 | 510 | 502 | 0.2% | 750 | 1 | City |
| Bloomington | 4 | 218 | 196 | 1.87% | 229 | 1 | City |
| St. Charles | 5 | 190 | 163 | 2.7% | 259 | 1 | City |
Montpelier is the largest city in Bear Lake County, with a population of 2,710.
St. Charles is the smallest city in Bear Lake County, with a population of 190.
There are 5 cities in Bear Lake County, Idaho.