2015 Illinois Fighting Illini Penalty Split Stats through 01/11/2016
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 66 | 589 | 5.5 | 49.1 |
| at Home | 6 | 29 | 255 | 4.8 | 42.5 |
| on Road/Neutral Site | 6 | 37 | 334 | 6.2 | 55.7 |
| in Wins | 5 | 28 | 264 | 5.6 | 52.8 |
| in Losses | 7 | 38 | 325 | 5.4 | 46.4 |
| vs. Conference | 8 | 41 | 354 | 5.1 | 44.3 |
| vs. Non-Conference | 4 | 25 | 235 | 6.3 | 58.8 |
| vs. Ranked (AP) | 5 | 27 | 235 | 5.4 | 47.0 |
| vs. Unranked (AP) | 7 | 39 | 354 | 5.6 | 50.6 |
| vs. FBS (I-A) | 11 | 63 | 564 | 5.7 | 51.3 |
| vs. FCS (I-AA) | 1 | 3 | 25 | 3.0 | 25.0 |
| vs. FBS Winning | 7 | 41 | 350 | 5.9 | 50.0 |
| vs. FBS Non-Winning | 4 | 22 | 214 | 5.5 | 53.5 |
| vs. FBS Power 5 | 9 | 49 | 429 | 5.4 | 47.7 |
| vs. FBS non-Power 5 | 2 | 14 | 135 | 7.0 | 67.5 |
| in August/September | 4 | 25 | 235 | 6.3 | 58.8 |
| in October | 4 | 23 | 190 | 5.8 | 47.5 |
| in November | 4 | 18 | 164 | 4.5 | 41.0 |
| in December/January | 0 | 0 | 0 | - | - |