| SUBSTATE SITE | |||||
| AMES | FORT DODGE | 12 | URBANDALE | 2 | |
| ANKENY | NEWTON | 4 | ANKENY | 2 | |
| CLINTON | CLINTON | 8 | BETTENDORF | 5 | |
| IOWA CITY, CITY | IOWA CITY, CITY | 6 | BURLINGTON | 4 | |
| LEWIS CENTRAL | LEWIS CENTRAL | 10 | COUNCIL BLUFFS, ABE LINCOLN | 9 | |
| PRAIRIE, CEDAR RAPIDS | PRAIRIE, CEDAR RAPIDS | 5 | LINN-MAR, MARION | 4 | |
| VALLEY, WEST DES MOINES | JOHNSTON | 4 | VALLEY, WEST DES MOINES | 2 | |
| XAVIER, CEDAR RAPIDS | DUBUQUE, HEMPSTEAD | 9 | XAVIER, CEDAR RAPIDS | 8 |