| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Portola | 1 | 2,018 | 2,084 | -0.3% | 373 | 5 | City |
Portola is the largest city in Plumas County, with a population of 2,018.
Portola is the smallest city in Plumas County, with a population of 2,018.
There is 1 city in Plumas County, California.