| Statistic | Mountain View | San Diego | California |
| Population | 16,306 | 1,414,545 | 39,512,223 |
| Population density (sq mi) | 10,063 | 4,341 | 256 |
| Median age | 30.0 | 35.2 | 36.0 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 49% | 52% |
| Families w/ Kids under 18 | 50% | 43% | 46% |
| Speak English | n/a | 60% | 56% |
| Speak Spanish | n/a | 22% | 29% |
| Race | Mountain View | San Diego | California |
| White | 64.48% | 61.95% | 61.26% |
| Black | 11.14% | 6.09% | 5.85% |
| Asian | 1.60% | 17.25% | 13.85% |
| American Indian | 0.72% | 0.52% | 0.74% |
| Native Hawaiian | 0.42% | 0.42% | 0.39% |
| Mixed race | 7.54% | 7.77% | 4.62% |
| Other race | 14.11% | 5.99% | 13.28% |
Here are the best places to live in California
See the best places to live in San Diego
Safest States In The US
These are the 10 cheapest cities in California