| SUBSTATE SITE | |||||
| ATLANTIC | ST. ALBERT, COUNCIL BLUFFS | 10 | INTERSTATE 35, TRURO | 3 | |
| BECKMAN, DYERSVILLE | NORTH FAYETTE, WEST UNION | 10 | BECKMAN, DYERSVILLE | 7 | |
| DENISON-SCHLESWIG | KUEMPER CATHOLIC, CARROLL | 12 | LAWTON-BRONSON | 0 | (5 inn) |
| IOWA FALLS-ALDEN | GILBERT | 6 | EAST MARSHALL, LEGRAND | 1 | |
| PELLA CHRISTIAN | NORTH POLK, ALLEMAN | 5 | ALBIA | 3 | |
| SPENCER | ALTA-AURELIA | 17 | WESTERN CHRISTIAN, HULL | 7 | (6 inn) |
| WAPELLO | DAVIS COUNTY, BLOOMFIELD | 8 | REGINA, IOWA CITY | 1 | |
| WEST FORK, SHEFFIELD | COLUMBUS CATHOLIC, WATERLOO | 5 | FOREST CITY | 2 |