| Statistic | Mt Eden | Hayward | California |
| Population | 6,626 | 163,491 | 40,994,941 |
| Population density (sq mi) | 6,636 | 3,590 | 263 |
| Median age | 43.5 | 36.0 | 36.0 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 52% | 52% |
| Families w/ Kids under 18 | 41% | 42% | 46% |
| Speak English | n/a | 41% | 56% |
| Speak Spanish | n/a | 31% | 29% |

| Race | Mt Eden | Hayward | California |
| White | 26.15% | 30.33% | 61.26% |
| Black | 6.37% | 9.80% | 5.85% |
| Asian | 40.48% | 27.91% | 13.85% |
| American Indian | 1.95% | 0.82% | 0.74% |
| Native Hawaiian | 2.06% | 2.13% | 0.39% |
| Mixed race | 12.22% | 9.54% | 4.62% |
| Other race | 10.77% | 19.48% | 13.28% |