Nassau County - 2006 Population
Source: United States Census Bureau
| Total | Males | Females | ||||
|---|---|---|---|---|---|---|
| Age Group | Number | Percent | Number | Percent | Number | Percent |
| Total | 1,336,575 | 100.0 | 643,388 | 100.0 | 693,187 | 100.0 |
| <1 | 16,298 | 1.2 | 8,349 | 1.3 | 7,949 | 1.1 |
| 1 | 16,683 | 1.2 | 8,517 | 1.3 | 8,166 | 1.2 |
| 2 | 17,200 | 1.3 | 8,668 | 1.3 | 8,532 | 1.2 |
| 3 | 17,789 | 1.3 | 9,056 | 1.4 | 8,733 | 1.3 |
| 4 | 18,509 | 1.4 | 9,489 | 1.5 | 9,020 | 1.3 |
| 5-9 | 95,646 | 7.2 | 48,966 | 7.6 | 46,680 | 6.7 |
| 10-14 | 93,672 | 7.0 | 48,178 | 7.5 | 45,494 | 6.6 |
| 15-17 | 52,889 | 4.0 | 27,323 | 4.2 | 25,566 | 3.7 |
| 18-19 | 30,020 | 2.2 | 15,735 | 2.4 | 14,285 | 2.1 |
| 20-24 | 68,803 | 5.1 | 35,570 | 5.5 | 33,233 | 4.8 |
| 25-29 | 70,404 | 5.3 | 35,099 | 5.5 | 35,305 | 5.1 |
| 30-34 | 91,789 | 6.9 | 44,294 | 6.9 | 47,495 | 6.9 |
| 35-39 | 110,368 | 8.3 | 53,193 | 8.3 | 57,175 | 8.2 |
| 40-44 | 112,490 | 8.4 | 54,400 | 8.5 | 58,090 | 8.4 |
| 45-49 | 102,510 | 7.7 | 49,604 | 7.7 | 52,906 | 7.6 |
| 50-54 | 93,853 | 7.0 | 45,219 | 7.0 | 48,634 | 7.0 |
| 55-59 | 70,244 | 5.3 | 32,964 | 5.1 | 37,280 | 5.4 |
| 60-64 | 56,236 | 4.2 | 25,940 | 4.0 | 30,296 | 4.4 |
| 65-69 | 52,216 | 3.9 | 23,397 | 3.6 | 28,819 | 4.2 |
| 70-74 | 53,527 | 4.0 | 23,103 | 3.6 | 30,424 | 4.4 |
| 75-79 | 44,572 | 3.3 | 18,711 | 2.9 | 25,861 | 3.7 |
| 80-84 | 28,416 | 2.1 | 11,002 | 1.7 | 17,414 | 2.5 |
| 85+ | 22,441 | 1.7 | 6,611 | 1.0 | 15,830 | 2.3 |