| SUBSTATE SITE | |||||
| CEDAR RAPIDS, KENNEDY | CEDAR RAPIDS, KENNEDY | 15 | DUBUQUE, HEMPSTEAD | 3 | |
| DAVENPORT, CENTRAL | DAVENPORT, CENTRAL | 13 | CLINTON | 7 | |
| DOWLING CATHOLIC, WDM | DOWLING CATHOLIC, WDM | 8 | LEWIS CENTRAL | 6 | |
| IOWA CITY, WEST | IOWA CITY, WEST | 10 | IOWA CITY, CITY | 4 | |
| MASON CITY | MASON CITY | 6 | PRAIRIE, CEDAR RAPIDS | 0 | |
| SIOUX CITY, EAST | FORT DODGE | 4 | SIOUX CITY, EAST | 2 | |
| SOUTHEAST POLK | SOUTHEAST POLK | 10 | NEWTON | 1 | |
| VALLEY, WEST DES MOINES | DES MOINES, ROOSEVELT | 3 | JOHNSTON | 2 |