| |
| Age Group | Male | Female | Colorado, 2010, Universe: 001 Total population Universe Population: 5,029,196 | ||
| Population | Pct | Population | Pct |  | |
| Total | 2,520,662 | 50.1 | 2,508,534 | 49.9 | |
| 0- 4 | 176,361 | 3.5 | 167,599 | 3.3 | |
| 5- 9 | 177,782 | 3.5 | 170,821 | 3.4 | |
| 10-14 | 170,192 | 3.4 | 162,462 | 3.2 | |
| 15-19 | 175,730 | 3.5 | 163,745 | 3.3 | |
| 20-24 | 181,765 | 3.6 | 166,850 | 3.3 | |
| 25-29 | 192,007 | 3.8 | 180,452 | 3.6 | |
| 30-34 | 181,317 | 3.6 | 172,502 | 3.4 | |
| 35-39 | 182,350 | 3.6 | 171,255 | 3.4 | |
| 40-44 | 175,758 | 3.5 | 170,281 | 3.4 | |
| 45-49 | 185,148 | 3.7 | 186,487 | 3.7 | |
| 50-54 | 184,243 | 3.7 | 186,820 | 3.7 | |
| 55-59 | 161,766 | 3.2 | 166,598 | 3.3 | |
| 60-64 | 132,389 | 2.6 | 136,891 | 2.7 | |
| 65-69 | 87,734 | 1.7 | 94,758 | 1.9 | |
| 70-74 | 59,773 | 1.2 | 67,695 | 1.3 | |
| 75-79 | 43,456 | 0.9 | 53,452 | 1.1 | |
| 80-84 | 29,773 | 0.6 | 43,371 | 0.9 | |
| 85+ | 23,118 | 0.5 | 46,495 | 0.9 | |