Seneca County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 34,049 | 100.0 | 17,652 | 100.0 | 16,397 | 100.0 |
| <1 | 371 | 1.1 | 191 | 1.1 | 180 | 1.1 |
| 1 | 395 | 1.2 | 214 | 1.2 | 181 | 1.1 |
| 2 | 359 | 1.1 | 186 | 1.1 | 173 | 1.1 |
| 3 | 334 | 1.0 | 172 | 1.0 | 162 | 1.0 |
| 4 | 372 | 1.1 | 200 | 1.1 | 172 | 1.0 |
| 5-9 | 1,823 | 5.4 | 920 | 5.2 | 903 | 5.5 |
| 10-14 | 2,006 | 5.9 | 979 | 5.5 | 1,027 | 6.3 |
| 15-17 | 1,401 | 4.1 | 735 | 4.2 | 666 | 4.1 |
| 18-19 | 878 | 2.6 | 508 | 2.9 | 370 | 2.3 |
| 20-24 | 2,520 | 7.4 | 1,514 | 8.6 | 1,006 | 6.1 |
| 25-29 | 2,162 | 6.3 | 1,238 | 7.0 | 924 | 5.6 |
| 30-34 | 2,065 | 6.1 | 1,241 | 7.0 | 824 | 5.0 |
| 35-39 | 2,281 | 6.7 | 1,268 | 7.2 | 1,013 | 6.2 |
| 40-44 | 2,186 | 6.4 | 1,119 | 6.3 | 1,067 | 6.5 |
| 45-49 | 2,624 | 7.7 | 1,330 | 7.5 | 1,294 | 7.9 |
| 50-54 | 2,562 | 7.5 | 1,319 | 7.5 | 1,243 | 7.6 |
| 55-59 | 2,403 | 7.1 | 1,195 | 6.8 | 1,208 | 7.4 |
| 60-64 | 2,123 | 6.2 | 1,027 | 5.8 | 1,096 | 6.7 |
| 65-69 | 1,539 | 4.5 | 759 | 4.3 | 780 | 4.8 |
| 70-74 | 1,133 | 3.3 | 537 | 3.0 | 596 | 3.6 |
| 75-79 | 982 | 2.9 | 456 | 2.6 | 526 | 3.2 |
| 80-84 | 819 | 2.4 | 316 | 1.8 | 503 | 3.1 |
| 85+ | 711 | 2.1 | 228 | 1.3 | 483 | 2.9 |
