| 9/2/2023 | Dayton (4-7) | 0 | at | Illinois State | 41 | Pio | ||
| 9/9/2023 | Illinois State | 34 | at | Western Illinois (0-11,0-8) | 18 | |||
| 9/16/2023 | Illinois State | 13 | at | Eastern Illinois (8-3) | 14 | at BigS | ||
| 9/23/2023 | Lindenwood (3-7) | 17 | at | Illinois State | 48 | BigS | ||
| 10/7/2023 | South Dakota State (15-0,8-0) | 40 | at | Illinois State | 21 | |||
| 10/14/2023 | Indiana State (1-10,1-7) | 7 | at | Illinois State | 44 | |||
| 10/21/2023 | Illinois State | 38 | at | Youngstown State (8-5,5-3) | 41 | |||
| 10/28/2023 | Northern Iowa (6-5,5-3) | 24 | at | Illinois State | 21 | |||
| 11/4/2023 | Illinois State | 36 | at | Missouri State (4-7,3-5) | 35 | |||
| 11/11/2023 | Murray State (2-9,1-7) | 7 | at | Illinois State | 44 | |||
| 11/18/2023 | Illinois State | 21 | at | North Dakota (7-5,5-3) | 22 |
| vs Illinois State | vs Other Opponents | Illinois State compared to OOs | |
| Record: | 5-6 | 53-63 | |
| Points Scored: | 20.45 | 25.58 | 5.13 |
| Points Allowed: | 32.82 | 26.53 | 6.29 |
| Margin: | -12.37 | -0.95 | 11.42 |
| Total Points: | 53.27 | 52.11 | 1.16 |