2021 Iowa Hawkeyes Opponent First Down Split Stats through 01/10/2022
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 14 | 96 | 134 | 20 | 250 |
| at Home | 7 | 41 | 67 | 8 | 116 |
| on Road/Neutral Site | 7 | 55 | 67 | 12 | 134 |
| in Wins | 10 | 65 | 89 | 11 | 165 |
| in Losses | 4 | 31 | 45 | 9 | 85 |
| vs. Conference | 10 | 67 | 96 | 13 | 176 |
| vs. Non-Conference | 4 | 29 | 38 | 7 | 74 |
| vs. Ranked (AP) | 2 | 20 | 20 | 5 | 45 |
| vs. Unranked (AP) | 12 | 76 | 114 | 15 | 205 |
| vs. FBS (I-A) | 14 | 96 | 134 | 20 | 250 |
| vs. FCS (I-AA) | 0 | 0 | 0 | 0 | 0 |
| vs. FBS Winning | 8 | 63 | 84 | 14 | 161 |
| vs. FBS Non-Winning | 6 | 33 | 50 | 6 | 89 |
| vs. FBS Power 5 | 12 | 84 | 119 | 18 | 221 |
| vs. FBS non-Power 5 | 2 | 12 | 15 | 2 | 29 |
| in August/September | 4 | 23 | 33 | 5 | 61 |
| in October | 4 | 23 | 43 | 6 | 72 |
| in November | 4 | 30 | 38 | 4 | 72 |
| in December/January | 2 | 20 | 20 | 5 | 45 |