St. Lawrence County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 109,715 | 100.0 | 55,780 | 100.0 | 53,935 | 100.0 |
| <1 | 1,279 | 1.2 | 652 | 1.2 | 627 | 1.2 |
| 1 | 1,244 | 1.1 | 628 | 1.1 | 616 | 1.1 |
| 2 | 1,241 | 1.1 | 663 | 1.2 | 578 | 1.1 |
| 3 | 1,259 | 1.1 | 616 | 1.1 | 643 | 1.2 |
| 4 | 1,207 | 1.1 | 636 | 1.1 | 571 | 1.1 |
| 5-9 | 6,132 | 5.6 | 3,064 | 5.5 | 3,068 | 5.7 |
| 10-14 | 6,190 | 5.6 | 3,170 | 5.7 | 3,020 | 5.6 |
| 15-17 | 4,274 | 3.9 | 2,227 | 4.0 | 2,047 | 3.8 |
| 18-19 | 6,134 | 5.6 | 3,160 | 5.7 | 2,974 | 5.5 |
| 20-24 | 10,513 | 9.6 | 5,988 | 10.7 | 4,525 | 8.4 |
| 25-29 | 6,245 | 5.7 | 3,386 | 6.1 | 2,859 | 5.3 |
| 30-34 | 6,259 | 5.7 | 3,508 | 6.3 | 2,751 | 5.1 |
| 35-39 | 6,486 | 5.9 | 3,423 | 6.1 | 3,063 | 5.7 |
| 40-44 | 7,071 | 6.4 | 3,637 | 6.5 | 3,434 | 6.4 |
| 45-49 | 8,191 | 7.5 | 4,107 | 7.4 | 4,084 | 7.6 |
| 50-54 | 7,802 | 7.1 | 3,925 | 7.0 | 3,877 | 7.2 |
| 55-59 | 7,224 | 6.6 | 3,620 | 6.5 | 3,604 | 6.7 |
| 60-64 | 6,140 | 5.6 | 3,050 | 5.5 | 3,090 | 5.7 |
| 65-69 | 4,506 | 4.1 | 2,138 | 3.8 | 2,368 | 4.4 |
| 70-74 | 3,571 | 3.3 | 1,608 | 2.9 | 1,963 | 3.6 |
| 75-79 | 2,778 | 2.5 | 1,188 | 2.1 | 1,590 | 2.9 |
| 80-84 | 2,138 | 1.9 | 837 | 1.5 | 1,301 | 2.4 |
| 85+ | 1,831 | 1.7 | 549 | 1.0 | 1,282 | 2.4 |


