Rensselaer County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 155,541 | 100.0 | 76,828 | 100.0 | 78,713 | 100.0 |
| <1 | 1,797 | 1.2 | 917 | 1.2 | 880 | 1.1 |
| 1 | 1,785 | 1.1 | 908 | 1.2 | 877 | 1.1 |
| 2 | 1,741 | 1.1 | 858 | 1.1 | 883 | 1.1 |
| 3 | 1,670 | 1.1 | 884 | 1.2 | 786 | 1.0 |
| 4 | 1,701 | 1.1 | 837 | 1.1 | 864 | 1.1 |
| 5-9 | 8,660 | 5.6 | 4,346 | 5.7 | 4,314 | 5.5 |
| 10-14 | 9,672 | 6.2 | 4,871 | 6.3 | 4,801 | 6.1 |
| 15-17 | 6,296 | 4.0 | 3,222 | 4.2 | 3,074 | 3.9 |
| 18-19 | 5,296 | 3.4 | 3,018 | 3.9 | 2,278 | 2.9 |
| 20-24 | 10,583 | 6.8 | 5,469 | 7.1 | 5,114 | 6.5 |
| 25-29 | 10,953 | 7.0 | 5,722 | 7.4 | 5,231 | 6.6 |
| 30-34 | 9,471 | 6.1 | 4,979 | 6.5 | 4,492 | 5.7 |
| 35-39 | 9,780 | 6.3 | 4,846 | 6.3 | 4,934 | 6.3 |
| 40-44 | 10,817 | 7.0 | 5,309 | 6.9 | 5,508 | 7.0 |
| 45-49 | 12,262 | 7.9 | 5,978 | 7.8 | 6,284 | 8.0 |
| 50-54 | 12,044 | 7.7 | 5,969 | 7.8 | 6,075 | 7.7 |
| 55-59 | 10,921 | 7.0 | 5,456 | 7.1 | 5,465 | 6.9 |
| 60-64 | 8,950 | 5.8 | 4,400 | 5.7 | 4,550 | 5.8 |
| 65-69 | 6,069 | 3.9 | 2,784 | 3.6 | 3,285 | 4.2 |
| 70-74 | 4,750 | 3.1 | 2,158 | 2.8 | 2,592 | 3.3 |
| 75-79 | 4,036 | 2.6 | 1,723 | 2.2 | 2,313 | 2.9 |
| 80-84 | 3,218 | 2.1 | 1,246 | 1.6 | 1,972 | 2.5 |
| 85+ | 3,069 | 2.0 | 928 | 1.2 | 2,141 | 2.7 |
