Population by Age Range
* For the table above, the data is collected from the U.S. Census Bureau Decennial Data 2000, Summary File 1 (SF1), P012 Sex by Age.
| Age Range | 0-9 | 10-19 | 20-29 | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 | 80+ | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | Total | Percentage | |
| San Mateo | 11,054 | 12% | 9,469 | 10% | 12,608 | 14% | 17,318 | 19% | 14,420 | 16% | 10,298 | 11% | 6,403 | 7% | 6,288 | 7% | 4,624 | 5% |