Cortland County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 47,996 | 100.0 | 23,213 | 100.0 | 24,783 | 100.0 |
| <1 | 558 | 1.2 | 284 | 1.2 | 274 | 1.1 |
| 1 | 525 | 1.1 | 265 | 1.1 | 260 | 1.0 |
| 2 | 497 | 1.0 | 232 | 1.0 | 265 | 1.1 |
| 3 | 530 | 1.1 | 277 | 1.2 | 253 | 1.0 |
| 4 | 484 | 1.0 | 235 | 1.0 | 249 | 1.0 |
| 5-9 | 2,604 | 5.4 | 1,323 | 5.7 | 1,281 | 5.2 |
| 10-14 | 2,857 | 6.0 | 1,492 | 6.4 | 1,365 | 5.5 |
| 15-17 | 1,938 | 4.0 | 963 | 4.1 | 975 | 3.9 |
| 18-19 | 3,056 | 6.4 | 1,360 | 5.9 | 1,696 | 6.8 |
| 20-24 | 6,027 | 12.6 | 2,916 | 12.6 | 3,111 | 12.6 |
| 25-29 | 2,519 | 5.2 | 1,193 | 5.1 | 1,326 | 5.4 |
| 30-34 | 1,953 | 4.1 | 991 | 4.3 | 962 | 3.9 |
| 35-39 | 2,589 | 5.4 | 1,295 | 5.6 | 1,294 | 5.2 |
| 40-44 | 3,032 | 6.3 | 1,493 | 6.4 | 1,539 | 6.2 |
| 45-49 | 3,624 | 7.6 | 1,785 | 7.7 | 1,839 | 7.4 |
| 50-54 | 3,359 | 7.0 | 1,692 | 7.3 | 1,667 | 6.7 |
| 55-59 | 3,025 | 6.3 | 1,496 | 6.4 | 1,529 | 6.2 |
| 60-64 | 2,545 | 5.3 | 1,220 | 5.3 | 1,325 | 5.3 |
| 65-69 | 1,935 | 4.0 | 915 | 3.9 | 1,020 | 4.1 |
| 70-74 | 1,456 | 3.0 | 677 | 2.9 | 779 | 3.1 |
| 75-79 | 1,073 | 2.2 | 468 | 2.0 | 605 | 2.4 |
| 80-84 | 903 | 1.9 | 356 | 1.5 | 547 | 2.2 |
| 85+ | 907 | 1.9 | 285 | 1.2 | 622 | 2.5 |


