2018 Iowa Hawkeyes Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 61 | 539 | 4.7 | 41.5 |
| at Home | 7 | 30 | 269 | 4.3 | 38.4 |
| on Road/Neutral Site | 6 | 31 | 270 | 5.2 | 45.0 |
| in Wins | 9 | 43 | 399 | 4.8 | 44.3 |
| in Losses | 4 | 18 | 140 | 4.5 | 35.0 |
| vs. Conference | 9 | 37 | 330 | 4.1 | 36.7 |
| vs. Non-Conference | 4 | 24 | 209 | 6.0 | 52.3 |
| vs. Ranked (AP) | 2 | 9 | 60 | 4.5 | 30.0 |
| vs. Unranked (AP) | 11 | 52 | 479 | 4.7 | 43.5 |
| vs. FBS (I-A) | 12 | 51 | 451 | 4.3 | 37.6 |
| vs. FCS (I-AA) | 1 | 10 | 88 | 10.0 | 88.0 |
| vs. FBS Winning | 7 | 29 | 231 | 4.1 | 33.0 |
| vs. FBS Non-Winning | 5 | 22 | 220 | 4.4 | 44.0 |
| vs. FBS Power 5 | 11 | 43 | 385 | 3.9 | 35.0 |
| vs. FBS non-Power 5 | 1 | 8 | 66 | 8.0 | 66.0 |
| in August/September | 4 | 25 | 214 | 6.3 | 53.5 |
| in October | 4 | 22 | 180 | 5.5 | 45.0 |
| in November | 4 | 14 | 145 | 3.5 | 36.3 |
| in December/January | 1 | 0 | 0 | 0.0 | 0.0 |