| |
| Age Group | Male | Female | South Dakota, 2010, Universe: 001 Total population Universe Population: 814,180 | ||
| Population | Pct | Population | Pct |  | |
| Total | 407,381 | 50.0 | 406,799 | 50.0 | |
| 0- 4 | 30,535 | 3.8 | 29,086 | 3.6 | |
| 5- 9 | 28,544 | 3.5 | 26,987 | 3.3 | |
| 10-14 | 27,678 | 3.4 | 26,282 | 3.2 | |
| 15-19 | 29,682 | 3.6 | 27,946 | 3.4 | |
| 20-24 | 29,663 | 3.6 | 27,933 | 3.4 | |
| 25-29 | 28,958 | 3.6 | 26,612 | 3.3 | |
| 30-34 | 25,625 | 3.1 | 24,234 | 3.0 | |
| 35-39 | 23,276 | 2.9 | 22,490 | 2.8 | |
| 40-44 | 24,208 | 3.0 | 23,138 | 2.8 | |
| 45-49 | 28,953 | 3.6 | 28,566 | 3.5 | |
| 50-54 | 29,861 | 3.7 | 29,538 | 3.6 | |
| 55-59 | 27,445 | 3.4 | 26,786 | 3.3 | |
| 60-64 | 22,100 | 2.7 | 21,473 | 2.6 | |
| 65-69 | 15,564 | 1.9 | 16,380 | 2.0 | |
| 70-74 | 12,064 | 1.5 | 13,619 | 1.7 | |
| 75-79 | 9,475 | 1.2 | 12,249 | 1.5 | |
| 80-84 | 7,453 | 0.9 | 10,551 | 1.3 | |
| 85+ | 6,297 | 0.8 | 12,929 | 1.6 | |