Population by Sex and Age
* 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.
| 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 | |
| Walnut Creek | 29,683 | 46% | 3,184 | 5% | 3,213 | 5% | 3,082 | 5% | 4,350 | 7% | 4,576 | 7% | 3,828 | 6% | 2,657 | 4% | 2,785 | 4% | 2,008 | 3% | 34,613 | 54% | 2,902 | 5% | 2,907 | 5% | 3,139 | 5% | 4,458 | 7% | 4,957 | 8% | 4,379 | 7% | 3,365 | 5% | 4,285 | 7% | 4,221 | 7% |