2018 Iowa State Cyclones Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 62 | 517 | 4.8 | 39.8 |
| at Home | 7 | 34 | 306 | 4.9 | 43.7 |
| on Road/Neutral Site | 6 | 28 | 211 | 4.7 | 35.2 |
| in Wins | 8 | 37 | 319 | 4.6 | 39.9 |
| in Losses | 5 | 25 | 198 | 5.0 | 39.6 |
| vs. Conference | 9 | 38 | 324 | 4.2 | 36.0 |
| vs. Non-Conference | 4 | 24 | 193 | 6.0 | 48.3 |
| vs. Ranked (AP) | 5 | 34 | 278 | 6.8 | 55.6 |
| vs. Unranked (AP) | 8 | 28 | 239 | 3.5 | 29.9 |
| vs. FBS (I-A) | 12 | 60 | 502 | 5.0 | 41.8 |
| vs. FCS (I-AA) | 1 | 2 | 15 | 2.0 | 15.0 |
| vs. FBS Winning | 8 | 44 | 359 | 5.5 | 44.9 |
| vs. FBS Non-Winning | 4 | 16 | 143 | 4.0 | 35.8 |
| vs. FBS Power 5 | 11 | 55 | 452 | 5.0 | 41.1 |
| vs. FBS non-Power 5 | 1 | 5 | 50 | 5.0 | 50.0 |
| in August/September | 4 | 17 | 165 | 4.3 | 41.3 |
| in October | 3 | 19 | 156 | 6.3 | 52.0 |
| in November | 4 | 14 | 118 | 3.5 | 29.5 |
| in December/January | 2 | 12 | 78 | 6.0 | 39.0 |