Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Oakland (city), CA | 440,646 |
| 2 | Berkeley (city), CA | 124,321 |
| 3 | Richmond (city), CA | 116,448 |
| 4 | Daly City (city), CA | 104,901 |
| 5 | San Rafael (city), CA | 61,271 |
| 6 | Petaluma (city), CA | 59,776 |
| 7 | Novato (city), CA | 53,225 |
| 8 | San Pablo (city), CA | 32,127 |
| 9 | El Cerrito (city), CA | 25,962 |
| 10 | Albany (city), CA | 20,271 |
| 11 | Pinole (city), CA | 19,022 |
| 12 | El Sobrante (CDP), CA | 15,524 |
| 13 | Mill Valley (city), CA | 14,231 |
| 14 | Larkspur (city), CA | 13,064 |
| 15 | Emeryville (city), CA | 12,905 |
| 16 | San Anselmo (town), CA | 12,830 |
| 17 | Tamalpais-Homestead Valley (CDP), CA | 11,492 |
| 18 | Piedmont (city), CA | 11,270 |
| 19 | Corte Madera (town), CA | 10,222 |
| 20 | Rodeo (CDP), CA | 9,653 |