Lewis County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 26,157 | 100.0 | 13,084 | 100.0 | 13,073 | 100.0 |
| <1 | 341 | 1.3 | 175 | 1.3 | 166 | 1.3 |
| 1 | 297 | 1.1 | 149 | 1.1 | 148 | 1.1 |
| 2 | 317 | 1.2 | 173 | 1.3 | 144 | 1.1 |
| 3 | 330 | 1.3 | 171 | 1.3 | 159 | 1.2 |
| 4 | 298 | 1.1 | 162 | 1.2 | 136 | 1.0 |
| 5-9 | 1,551 | 5.9 | 794 | 6.1 | 757 | 5.8 |
| 10-14 | 1,713 | 6.5 | 875 | 6.7 | 838 | 6.4 |
| 15-17 | 1,161 | 4.4 | 577 | 4.4 | 584 | 4.5 |
| 18-19 | 668 | 2.6 | 348 | 2.7 | 320 | 2.4 |
| 20-24 | 1,820 | 7.0 | 893 | 6.8 | 927 | 7.1 |
| 25-29 | 1,565 | 6.0 | 826 | 6.3 | 739 | 5.7 |
| 30-34 | 1,239 | 4.7 | 613 | 4.7 | 626 | 4.8 |
| 35-39 | 1,518 | 5.8 | 761 | 5.8 | 757 | 5.8 |
| 40-44 | 1,702 | 6.5 | 839 | 6.4 | 863 | 6.6 |
| 45-49 | 2,230 | 8.5 | 1,144 | 8.7 | 1,086 | 8.3 |
| 50-54 | 2,130 | 8.1 | 1,093 | 8.4 | 1,037 | 7.9 |
| 55-59 | 1,922 | 7.3 | 981 | 7.5 | 941 | 7.2 |
| 60-64 | 1,467 | 5.6 | 752 | 5.7 | 715 | 5.5 |
| 65-69 | 1,209 | 4.6 | 599 | 4.6 | 610 | 4.7 |
| 70-74 | 876 | 3.3 | 422 | 3.2 | 454 | 3.5 |
| 75-79 | 764 | 2.9 | 360 | 2.8 | 404 | 3.1 |
| 80-84 | 531 | 2.0 | 222 | 1.7 | 309 | 2.4 |
| 85+ | 508 | 1.9 | 155 | 1.2 | 353 | 2.7 |


