| Statistic | Twin Peaks | San Francisco | California |
| Population | 3,830 | 874,784 | 39,512,223 |
| Population density (sq mi) | 7,916 | 18,647 | 256 |
| Median age | 43.0 | 38.3 | 36.0 |
| Male/Female ratio | 1.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 45% | 52% |
| Families w/ Kids under 18 | 15% | 35% | 46% |
| Speak English | n/a | 57% | 56% |
| Speak Spanish | n/a | 11% | 29% |
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| Race | Twin Peaks | San Francisco | California |
| White | 69.12% | 44.87% | 61.26% |
| Black | 2.00% | 5.14% | 5.85% |
| Asian | 16.35% | 34.33% | 13.85% |
| American Indian | 0.00% | 0.43% | 0.74% |
| Native Hawaiian | 0.00% | 0.36% | 0.39% |
| Mixed race | 10.52% | 7.17% | 4.62% |
| Other race | 2.01% | 7.70% | 13.28% |
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