Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Chico (city), CA | 101,475 |
| 2 | Oroville (city), CA | 20,042 |
| 3 | Orland (city), CA | 8,298 |
| 4 | Thermalito (CDP), CA | 7,198 |
| 5 | Durham (CDP), CA | 5,834 |
| 6 | Paradise (town), CA | 4,764 |
| 7 | South Oroville (CDP), CA | 3,235 |
| 8 | Hamilton City (CDP), CA | 2,263 |
| 9 | Los Molinos (CDP), CA | 2,098 |
| 10 | Biggs (city), CA | 1,964 |
| 11 | Butte Valley (CDP), CA | 945 |
| 12 | Nord (CDP), CA | 286 |
| 13 | Richvale (CDP), CA | 234 |
| 14 | Vina (CDP), CA | 198 |