Chautauqua County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 133,503 | 100.0 | 65,457 | 100.0 | 68,046 | 100.0 |
| <1 | 1,548 | 1.2 | 792 | 1.2 | 756 | 1.1 |
| 1 | 1,487 | 1.1 | 758 | 1.2 | 729 | 1.1 |
| 2 | 1,559 | 1.2 | 832 | 1.3 | 727 | 1.1 |
| 3 | 1,500 | 1.1 | 776 | 1.2 | 724 | 1.1 |
| 4 | 1,398 | 1.0 | 723 | 1.1 | 675 | 1.0 |
| 5-9 | 7,548 | 5.7 | 3,867 | 5.9 | 3,681 | 5.4 |
| 10-14 | 8,107 | 6.1 | 4,166 | 6.4 | 3,941 | 5.8 |
| 15-17 | 5,798 | 4.3 | 3,015 | 4.6 | 2,783 | 4.1 |
| 18-19 | 4,926 | 3.7 | 2,383 | 3.6 | 2,543 | 3.7 |
| 20-24 | 9,299 | 7.0 | 4,794 | 7.3 | 4,505 | 6.6 |
| 25-29 | 7,843 | 5.9 | 3,942 | 6.0 | 3,901 | 5.7 |
| 30-34 | 7,216 | 5.4 | 3,629 | 5.5 | 3,587 | 5.3 |
| 35-39 | 7,415 | 5.6 | 3,685 | 5.6 | 3,730 | 5.5 |
| 40-44 | 8,140 | 6.1 | 3,960 | 6.0 | 4,180 | 6.1 |
| 45-49 | 10,118 | 7.6 | 5,001 | 7.6 | 5,117 | 7.5 |
| 50-54 | 10,366 | 7.8 | 5,198 | 7.9 | 5,168 | 7.6 |
| 55-59 | 9,627 | 7.2 | 4,876 | 7.4 | 4,751 | 7.0 |
| 60-64 | 7,871 | 5.9 | 3,844 | 5.9 | 4,027 | 5.9 |
| 65-69 | 6,149 | 4.6 | 2,952 | 4.5 | 3,197 | 4.7 |
| 70-74 | 4,704 | 3.5 | 2,179 | 3.3 | 2,525 | 3.7 |
| 75-79 | 4,083 | 3.1 | 1,770 | 2.7 | 2,313 | 3.4 |
| 80-84 | 3,311 | 2.5 | 1,324 | 2.0 | 1,987 | 2.9 |
| 85+ | 3,490 | 2.6 | 991 | 1.5 | 2,499 | 3.7 |
