Suffolk County - 2009 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 1,518,475 | 100.0 | 750,236 | 100.0 | 768,239 | 100.0 |
| <1 | 18,129 | 1.2 | 9,269 | 1.2 | 8,860 | 1.2 |
| 1 | 18,286 | 1.2 | 9,233 | 1.2 | 9,053 | 1.2 |
| 2 | 18,846 | 1.2 | 9,714 | 1.3 | 9,132 | 1.2 |
| 3 | 18,879 | 1.2 | 9,722 | 1.3 | 9,157 | 1.2 |
| 4 | 18,945 | 1.2 | 9,644 | 1.3 | 9,301 | 1.2 |
| 5-9 | 100,040 | 6.6 | 51,253 | 6.8 | 48,787 | 6.4 |
| 10-14 | 106,672 | 7.0 | 54,742 | 7.3 | 51,930 | 6.8 |
| 15-17 | 67,398 | 4.4 | 34,624 | 4.6 | 32,774 | 4.3 |
| 18-19 | 42,407 | 2.8 | 22,070 | 2.9 | 20,337 | 2.6 |
| 20-24 | 93,573 | 6.2 | 47,136 | 6.3 | 46,437 | 6.0 |
| 25-29 | 82,544 | 5.4 | 42,377 | 5.6 | 40,167 | 5.2 |
| 30-34 | 78,444 | 5.2 | 41,168 | 5.5 | 37,276 | 4.9 |
| 35-39 | 95,345 | 6.3 | 47,822 | 6.4 | 47,523 | 6.2 |
| 40-44 | 120,980 | 8.0 | 60,239 | 8.0 | 60,741 | 7.9 |
| 45-49 | 134,694 | 8.9 | 67,263 | 9.0 | 67,431 | 8.8 |
| 50-54 | 119,262 | 7.9 | 59,777 | 8.0 | 59,485 | 7.7 |
| 55-59 | 96,023 | 6.3 | 47,101 | 6.3 | 48,922 | 6.4 |
| 60-64 | 83,891 | 5.5 | 39,848 | 5.3 | 44,043 | 5.7 |
| 65-69 | 63,116 | 4.2 | 29,383 | 3.9 | 33,733 | 4.4 |
| 70-74 | 46,595 | 3.1 | 21,442 | 2.9 | 25,153 | 3.3 |
| 75-79 | 38,336 | 2.5 | 16,809 | 2.2 | 21,527 | 2.8 |
| 80-84 | 28,680 | 1.9 | 11,467 | 1.5 | 17,213 | 2.2 |
| 85+ | 27,390 | 1.8 | 8,133 | 1.1 | 19,257 | 2.5 |
