| SUBSTATE SITE | |||||
| BURLINGTON | IOWA CITY, WEST | 16 | BURLINGTON | 2 | (5 inn) |
| CEDAR RAPIDS, WASHINGTON | CEDAR RAPIDS, WASHINGTON | 2 | XAVIER, CEDAR RAPIDS | 1 | |
| DAVENPORT, CENTRAL | DAVENPORT, CENTRAL | 8 | NORTH SCOTT, ELDRIDGE | 5 | |
| DOWLING CATHOLIC, WDM | DOWLING CATHOLIC, WDM | 5 | OTTUMWA | 3 | |
| FORT DODGE | FORT DODGE | 10 | VALLEY, WDM | 6 | |
| MASON CITY | MARSHALLTOWN | 5 | MASON CITY | 3 | |
| SIOUX CITY, NORTH | SIOUX CITY, NORTH | 11 | SIOUX CITY, WEST | 0 | (5 inn) |
| SOUTHEAST POLK | JOHNSTON | 7 | DES MOINES, EAST | 3 |