| SUBSTATE SITE | |||||
| AMES | CARROLL | 52 | BALLARD | 49 | OT |
| MCLEOD CENTER, CEDAR FALLS | FOREST CITY | 64 | WAVERLY-SHELL ROCK | 55 | |
| MCLEOD CENTER, CEDAR FALLS | EPWORTH, WESTERN DUBUQUE | 59 | DECORAH | 46 | |
| SOUTHEAST POLK | PELLA | 56 | NORWALK | 47 | |
| TYSON EVENT CENTER, SIOUX CITY | BISHOP HEELAN CATHOLIC, SC | 72 | MOC-FLOYD VALLEY | 57 | |
| US CELLULAR CENTER, CEDAR RAPIDS | ASSUMPTION, DAVENPORT | 63 | WAHLERT, DUBUQUE | 57 | |
| US CELLULAR CENTER, CEDAR RAPIDS | MOUNT PLEASANT | 68 | WILLIAMSBURG | 48 | |
| VALLEY, WEST DES MOINES | DALLAS CENTER-GRIMES | 68 | HARLAN | 62 |