Population by Sex and Age
* For the table above, the data is collected from the U.S. Census Bureau Decennial Data 2010, Summary File 1 (SF1), P12 Sex by Age.
| Sex and Age | Male | Male: 0-9 | Male: 10-19 | Male: 20-29 | Male: 30-39 | Male: 40-49 | Male: 50-59 | Male: 60-69 | Male: 70-79 | Male: 80+ | Female | Female: 0-9 | Female: 10-19 | Female: 20-29 | Female: 30-39 | Female: 40-49 | Female: 50-59 | Female: 60-69 | Female: 70-79 | Female: 80+ | ||||||||||||||||||||
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| Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | |
| San Mateo County | 353,168 | 49% | 46,472 | 6% | 43,096 | 6% | 46,062 | 6% | 52,534 | 7% | 54,644 | 8% | 49,796 | 7% | 32,696 | 5% | 16,987 | 2% | 10,881 | 2% | 365,283 | 51% | 44,617 | 6% | 40,616 | 6% | 42,356 | 6% | 51,838 | 7% | 56,522 | 8% | 52,314 | 7% | 37,111 | 5% | 21,401 | 3% | 18,508 | 3% |