Population by Age Range
* 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.
| 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 County | 91,089 | 13% | 83,712 | 12% | 88,418 | 12% | 104,372 | 15% | 111,166 | 15% | 102,110 | 14% | 69,807 | 10% | 38,388 | 5% | 29,389 | 4% |