2021 Iowa Hawkeyes Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 14 | 57 | 505 | 4.1 | 36.1 |
| at Home | 7 | 25 | 235 | 3.6 | 33.6 |
| on Road/Neutral Site | 7 | 32 | 270 | 4.6 | 38.6 |
| in Wins | 10 | 43 | 375 | 4.3 | 37.5 |
| in Losses | 4 | 14 | 130 | 3.5 | 32.5 |
| vs. Conference | 10 | 38 | 327 | 3.8 | 32.7 |
| vs. Non-Conference | 4 | 19 | 178 | 4.8 | 44.5 |
| vs. Ranked (AP) | 2 | 9 | 90 | 4.5 | 45.0 |
| vs. Unranked (AP) | 12 | 48 | 415 | 4.0 | 34.6 |
| vs. FBS (I-A) | 14 | 57 | 505 | 4.1 | 36.1 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - | - |
| vs. FBS Winning | 8 | 35 | 315 | 4.4 | 39.4 |
| vs. FBS Non-Winning | 6 | 22 | 190 | 3.7 | 31.7 |
| vs. FBS Power 5 | 12 | 47 | 412 | 3.9 | 34.3 |
| vs. FBS non-Power 5 | 2 | 10 | 93 | 5.0 | 46.5 |
| in August/September | 4 | 17 | 163 | 4.3 | 40.8 |
| in October | 4 | 18 | 145 | 4.5 | 36.3 |
| in November | 4 | 13 | 107 | 3.3 | 26.8 |
| in December/January | 2 | 9 | 90 | 4.5 | 45.0 |