Delaware County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 45,514 | 100.0 | 22,548 | 100.0 | 22,966 | 100.0 |
| <1 | 473 | 1.0 | 242 | 1.1 | 231 | 1.0 |
| 1 | 450 | 1.0 | 231 | 1.0 | 219 | 1.0 |
| 2 | 463 | 1.0 | 231 | 1.0 | 232 | 1.0 |
| 3 | 480 | 1.1 | 222 | 1.0 | 258 | 1.1 |
| 4 | 399 | 0.9 | 203 | 0.9 | 196 | 0.9 |
| 5-9 | 2,201 | 4.8 | 1,127 | 5.0 | 1,074 | 4.7 |
| 10-14 | 2,559 | 5.6 | 1,290 | 5.7 | 1,269 | 5.5 |
| 15-17 | 1,877 | 4.1 | 974 | 4.3 | 903 | 3.9 |
| 18-19 | 1,831 | 4.0 | 984 | 4.4 | 847 | 3.7 |
| 20-24 | 3,014 | 6.6 | 1,607 | 7.1 | 1,407 | 6.1 |
| 25-29 | 2,117 | 4.7 | 1,092 | 4.8 | 1,025 | 4.5 |
| 30-34 | 1,727 | 3.8 | 882 | 3.9 | 845 | 3.7 |
| 35-39 | 2,259 | 5.0 | 1,119 | 5.0 | 1,140 | 5.0 |
| 40-44 | 2,698 | 5.9 | 1,322 | 5.9 | 1,376 | 6.0 |
| 45-49 | 3,491 | 7.7 | 1,755 | 7.8 | 1,736 | 7.6 |
| 50-54 | 3,717 | 8.2 | 1,832 | 8.1 | 1,885 | 8.2 |
| 55-59 | 3,557 | 7.8 | 1,790 | 7.9 | 1,767 | 7.7 |
| 60-64 | 3,340 | 7.3 | 1,672 | 7.4 | 1,668 | 7.3 |
| 65-69 | 2,698 | 5.9 | 1,311 | 5.8 | 1,387 | 6.0 |
| 70-74 | 2,051 | 4.5 | 947 | 4.2 | 1,104 | 4.8 |
| 75-79 | 1,655 | 3.6 | 757 | 3.4 | 898 | 3.9 |
| 80-84 | 1,188 | 2.6 | 534 | 2.4 | 654 | 2.8 |
| 85+ | 1,269 | 2.8 | 424 | 1.9 | 845 | 3.7 |


