2009 Iowa State Cyclones Penalty Split Stats through 01/07/2010
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 71 | 648 | 5.5 | 49.8 |
| at Home | 6 | 32 | 297 | 5.3 | 49.5 |
| on Road/Neutral Site | 7 | 39 | 351 | 5.6 | 50.1 |
| in Wins | 7 | 44 | 396 | 6.3 | 56.6 |
| in Losses | 6 | 27 | 252 | 4.5 | 42.0 |
| vs. Conference | 8 | 43 | 388 | 5.4 | 48.5 |
| vs. Non-Conference | 5 | 28 | 260 | 5.6 | 52.0 |
| vs. Ranked (AP) | 2 | 17 | 151 | 8.5 | 75.5 |
| vs. Unranked (AP) | 11 | 54 | 497 | 4.9 | 45.2 |
| vs. FBS (I-A) | 12 | 70 | 638 | 5.8 | 53.2 |
| vs. FCS (I-AA) | 1 | 1 | 10 | 1.0 | 10.0 |
| vs. FBS Winning | 4 | 26 | 225 | 6.5 | 56.3 |
| vs. FBS Non-Winning | 8 | 44 | 413 | 5.5 | 51.6 |
| vs. BCS AQ | 10 | 60 | 523 | 6.0 | 52.3 |
| vs. BCS non-AQ | 2 | 10 | 115 | 5.0 | 57.5 |
| in August/September | 4 | 20 | 204 | 5.0 | 51.0 |
| in October | 5 | 27 | 250 | 5.4 | 50.0 |
| in November | 3 | 16 | 138 | 5.3 | 46.0 |
| in December/January | 1 | 8 | 56 | 8.0 | 56.0 |