| SUBSTATE SITE | |||||
| CENTRAL CLINTON, DEWITT | CENTRAL CLINTON, DEWITT | 1 | VINTON-SHELLSBURG | 0 | |
| CHARITON | CHARITON | 1 | KNOXVILLE | 0 | 2OT |
| CLEAR CREEK-AMANA | CLEAR CREEK-AMANA | 14 | WASHINGTON | 0 | |
| DECORAH | DECORAH | 3 | WAVERLY-SHELL ROCK | 0 | |
| DENISON-SCHLESWIG | BISHOP HEELAN CATHOLIC, SC | 4 | DENISON-SCHLESWIG | 0 | |
| GRINNELL | GRINNELL | 8 | SOUTH TAMA COUNTY, TAMA | 1 | |
| HARLAN | HARLAN | 1 | CRESTON | 0 | |
| IOWA FALLS-ALDEN | IOWA FALLS-ALDEN | 3 | NUH, CEDAR FALLS | 2 | OT |
| MARION | MOUNT VERNON | 1 | MARION | 0 | |
| MOUNT PLEASANT | MOUNT PLEASANT | 6 | FORT MADISON | 0 | |
| NEWTON | NEWTON | 1 | PERRY | 0 | OT |
| OSKALOOSA | OSKALOOSA | 3 | CARLISLE | 2 | 2OT/PK |
| STORM LAKE | STORM LAKE | 5 | CARROLL | 2 | |
| WEBSTER CITY | WEBSTER CITY | 6 | CLEAR LAKE | 0 | |
| WEST DELAWARE, MANCHESTER | MAQUOKETA | 2 | WEST DELAWARE, MANCHESTER | 1 | |
| WINTERSET | WINTERSET | 2 | ATLANTIC | 0 |