the Antelope Valley and Santa Clarita Valley Central: Downtown Los Angeles , Mid-Wilshire Largest cities Edit 1. Los Angeles 3,849,378 2. Long Beach 463,956 3. Glendale 207,157 4. Santa Clarita 177,158 5. Pomona 162,140 6. Torrance 148,558 7. Pasadena 147,262 8. Palmdale 145,468 9. Lancaster 143,818 10. El Monte 126,282 11.