Westchester County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 955,962 | 100.0 | 463,834 | 100.0 | 492,128 | 100.0 |
| <1 | 11,499 | 1.2 | 5,871 | 1.3 | 5,628 | 1.1 |
| 1 | 11,826 | 1.2 | 6,036 | 1.3 | 5,790 | 1.2 |
| 2 | 12,095 | 1.3 | 6,163 | 1.3 | 5,932 | 1.2 |
| 3 | 11,948 | 1.2 | 6,088 | 1.3 | 5,860 | 1.2 |
| 4 | 12,026 | 1.3 | 6,177 | 1.3 | 5,849 | 1.2 |
| 5-9 | 63,972 | 6.7 | 32,496 | 7.0 | 31,476 | 6.4 |
| 10-14 | 65,245 | 6.8 | 33,285 | 7.2 | 31,960 | 6.5 |
| 15-17 | 41,325 | 4.3 | 21,387 | 4.6 | 19,938 | 4.1 |
| 18-19 | 26,203 | 2.7 | 13,407 | 2.9 | 12,796 | 2.6 |
| 20-24 | 57,003 | 6.0 | 28,661 | 6.2 | 28,342 | 5.8 |
| 25-29 | 50,606 | 5.3 | 26,069 | 5.6 | 24,537 | 5.0 |
| 30-34 | 53,413 | 5.6 | 27,061 | 5.8 | 26,352 | 5.4 |
| 35-39 | 63,269 | 6.6 | 31,464 | 6.8 | 31,805 | 6.5 |
| 40-44 | 72,959 | 7.6 | 35,417 | 7.6 | 37,542 | 7.6 |
| 45-49 | 79,378 | 8.3 | 38,678 | 8.3 | 40,700 | 8.3 |
| 50-54 | 73,827 | 7.7 | 35,927 | 7.7 | 37,900 | 7.7 |
| 55-59 | 62,426 | 6.5 | 29,898 | 6.4 | 32,528 | 6.6 |
| 60-64 | 51,587 | 5.4 | 24,271 | 5.2 | 27,316 | 5.6 |
| 65-69 | 37,775 | 4.0 | 17,050 | 3.7 | 20,725 | 4.2 |
| 70-74 | 29,426 | 3.1 | 12,844 | 2.8 | 16,582 | 3.4 |
| 75-79 | 25,478 | 2.7 | 10,713 | 2.3 | 14,765 | 3.0 |
| 80-84 | 21,089 | 2.2 | 8,316 | 1.8 | 12,773 | 2.6 |
| 85+ | 21,587 | 2.3 | 6,555 | 1.4 | 15,032 | 3.1 |
