| SUBSTATE SITE | ||||
| ANAMOSA | CENTRAL CLINTON, DEWITT | 4 | ANAMOSA | 0 |
| ATLANTIC | CARROLL | 4 | ATLANTIC | 1 |
| BALLARD | BALLARD | 4 | CARLISLE | 1 |
| BISHOP HEELAN CATHOLIC, SC | STORM LAKE | 3 | BISHOP HEELAN CATHOLIC, SC | 1 |
| CEDAR FALLS | BENTON COMMUNITY | 4 | IOWA FALLS-ALDEN | 3 |
| CHARITON | CENTERVILLE | 4 | CHARITON | 1 |
| DALLAS CENTER-GRIMES | DALLAS CENTER-GRIMES | 4 | PCM, MONROE | 0 |
| FAIRFIELD | KEOKUK | 1 | FAIRFIELD | 0 |
| HARLAN | HARLAN | 5 | WINTERSET | 0 |
| KNOXVILLE | KNOXVILLE | 6 | OSKALOOSA | 0 |
| MOUNT PLEASANT | MOUNT PLEASANT | 10 | WASHINGTON | 1 |
| MOUNT VERNON | MOUNT VERNON | 4 | MAQUOKETA | 2 |
| NEWTON | NEWTON | 8 | SOUTH TAMA COUNTY, TAMA | 0 |
| WAVERLY-SHELL ROCK | CLEAR LAKE | 3 | INDEPENDENCE | 2 |
| WEST DELAWARE, MANCHESTER | WAHLERT, DUBUQUE | 4 | WEST DELAWARE, MANCHESTER | 0 |