| Statistic | Old Palo Alto | Palo Alto | California |
| Population | 3,485 | 67,973 | 39,512,223 |
| Population density (sq mi) | 5,873 | 2,826 | 256 |
| Median age | 48.1 | 42.6 | 36.0 |
| Male/Female ratio | 0.8:1 | 0.9:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 63% | 52% |
| Families w/ Kids under 18 | 52% | 50% | 46% |
| Speak English | n/a | 61% | 56% |
| Speak Spanish | n/a | 4% | 29% |
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| Race | Old Palo Alto | Palo Alto | California |
| White | 57.23% | 56.33% | 61.26% |
| Black | 0.00% | 1.90% | 5.85% |
| Asian | 29.67% | 33.34% | 13.85% |
| American Indian | 1.71% | 0.41% | 0.74% |
| Native Hawaiian | 0.00% | 0.08% | 0.39% |
| Mixed race | 7.26% | 6.54% | 4.62% |
| Other race | 4.13% | 1.39% | 13.28% |
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