| Student Age Group | Number | Percent |
|---|---|---|
| 20-21 | 9,484 | 28.67% |
| 18-19 | 9,050 | 27.36% |
| 22-24 | 5,754 | 17.39% |
| 25-29 | 4,069 | 12.30% |
| 35 and over | 2,557 | 7.73% |
| 30-34 | 1,929 | 5.83% |
Most Colorado State students fall into the 20-21 age-range. Student age diversity is considered average.