| Statistic | Westlake | Los Angeles | California | 
| Population | 98,864 | 3,973,278 | 39,512,223 | 
| Population density (sq mi) | 30,280 | 8,463 | 256 | 
| Median age | 34.1 | 35.9 | 36.0 | 
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 | 
| Married (15yrs & older) | n/a | 44% | 52% | 
| Families w/ Kids under 18 | 44% | 41% | 46% | 
| Speak English | n/a | 42% | 56% | 
| Speak Spanish | n/a | 41% | 29% | 

 
				
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				| Race | Westlake | Los Angeles | California | 
| White | 30.82% | 48.93% | 61.26% | 
| Black | 6.04% | 8.78% | 5.85% | 
| Asian | 20.08% | 11.78% | 13.85% | 
| American Indian | 1.37% | 0.72% | 0.74% | 
| Native Hawaiian | 0.28% | 0.16% | 0.39% | 
| Mixed race | 4.09% | 6.95% | 4.62% | 
| Other race | 37.32% | 22.68% | 13.28% |