| SUBSTATE SITE | |||||
| ANKENY | ANKENY | PPD | JOHNSTON | PPD | |
| BETTENDORF | BETTENDORF | 8 | LINN-MAR, MARION | 3 | |
| CARROLL | FORT DODGE | PPD | SIOUX CITY, EAST | PPD | |
| CEDAR RAPIDS, JEFFERSON | CEDAR RAPIDS, JEFFERSON | 3 | MARSHALLTOWN | 2 | (8 inn) |
| COUNCIL BLUFFS, ABE LINCOLN | VALLEY, WDM | 6 | COUNCIL BLUFFS, ABE LINCOLN | 1 | |
| DAVENPORT, WEST | DAVENPORT, WEST | 5 | CEDAR RAPIDS, WASHINGTON | 1 | |
| URBANDALE | URBANDALE | PPD | OSKALOOSA | PPD | |
| XAVIER, CEDAR RAPIDS | XAVIER, CEDAR RAPIDS | 3 | MUSCATINE | 2 |