| SUBSTATE SITE | |||||
| CARROLL | CARROLL | 5 | CRESTON | 4 | |
| IOWA FALLS-ALDEN | CHARLES CITY | 6 | FOREST CITY | 1 | |
| NORWALK | NORWALK | 2 | DALLAS CENTER-GRIMES | 1 | |
| OELWEIN | EPWORTH, WESTERN DUBUQUE | 2 | NEW HAMPTON | 1 | |
| PELLA | SAYDEL | 5 | KNOXVILLE | 0 | |
| STORM LAKE | CHEROKEE, WASHINGTON | 7 | SPENCER | 2 | |
| WASHINGTON | MARION | 2 | MOUNT PLEASANT | 1 | (8) |
| XAVIER, CEDAR RAPIDS | XAVIER, CEDAR RAPIDS | 13 | WAHLERT, DUBUQUE | 3 | (5) |