| Category | Count | Count margin-of-error | Percent | Percent margin-of-error |
|---|---|---|---|---|
| Under 5 years | 351,740 | 6.4% | ||
| 5-9 years | 363,928 | 6.6% | ||
| 10-14 years | 361,496 | 6.5% | ||
| 15-17 years | 214,443 | 3.9% | ||
| 18-24 years | 503,989 | 9.1% | ||
| 25-34 years | 752,944 | 13.6% | ||
| 35-44 years | 685,568 | 12.4% | ||
| 45-54 years | 725,714 | 13.1% | ||
| 55-64 years | 737,424 | 13.3% | ||
| 65-74 years | 470,691 | 8.5% | ||
| 75-84 years | 243,085 | 4.4% | ||
| 85 years and older | 116,336 | 2.1% |