Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Los Angeles (city), CA | 3,898,747 |
| 2 | Thousand Oaks (city), CA | 126,966 |
| 3 | Simi Valley (city), CA | 126,356 |
| 4 | Burbank (city), CA | 107,337 |
| 5 | Santa Monica (city), CA | 93,076 |
| 6 | Camarillo (city), CA | 70,741 |
| 7 | Culver City (city), CA | 40,779 |
| 8 | Moorpark (city), CA | 36,284 |
| 9 | West Hollywood (city), CA | 35,757 |
| 10 | Beverly Hills (city), CA | 32,701 |
| 11 | San Fernando (city), CA | 23,946 |
| 12 | Calabasas (city), CA | 23,241 |
| 13 | Agoura Hills (city), CA | 20,299 |
| 14 | Oak Park (CDP), CA | 13,898 |
| 15 | Malibu (city), CA | 10,654 |
| 16 | Del Aire (CDP), CA | 10,338 |
| 17 | Topanga (CDP), CA | 8,560 |
| 18 | Westlake Village (city), CA | 8,029 |
| 19 | Ladera Heights (CDP), CA | 6,654 |
| 20 | Santa Rosa Valley (CDP), CA | 3,312 |