Simpson College competes in NCAA Division III (with football).
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 48 | 0 |
| Basketball | 31 | 23 |
| All Track Combined | 107 | 85 |
| Football | 148 | 0 |
| Golf | 10 | 9 |
| Soccer | 27 | 24 |
| Softball | 0 | 28 |
| Swimming and Diving | 34 | 34 |
| Tennis | 12 | 15 |
| Volleyball | 0 | 24 |
| Wrestling | 33 | 0 |