| SUBSTATE SITE | |||||
| ANKENY | ANKENY | 7 | DES MOINES, HOOVER | 1 | |
| CEDAR RAPIDS, KENNEDY | CEDAR RAPIDS, KENNEDY | 7 | CEDAR RAPIDS, JEFFERSON | 3 | |
| DAVENPORT, CENTRAL | DAVENPORT, CENTRAL | 6 | DAVENPORT, WEST | 3 | |
| DAVENPORT, NORTH | CLINTON | 9 | DAVENPORT, NORTH | 5 | |
| DES MOINES, ROOSEVELT | DES MOINES, ROOSEVELT | 9 | INDIANOLA | 4 | |
| DOWLING CATHOLIC, WDM | DOWLING CATHOLIC, WDM | 11 | DES MOINES, NORTH | 0 | (5 inn) |
| DUBUQUE, HEMPSTEAD | DUBUQUE, HEMPSTEAD | 4 | EPWORTH, WESTERN DUBUQUE | 2 | |
| FORT DODGE | FORT DODGE | 7 | AMES | 0 | |
| IOWA CITY, CITY | IOWA CITY, CITY | 2 | MUSCATINE | 0 | |
| IOWA CITY, WEST | IOWA CITY, WEST | 7 | CEDAR RAPIDS, WASHINGTON | 5 | |
| LEWIS CENTRAL | LEWIS CENTRAL | 7 | COUNCIL BLUFFS, T JEFFERSON | 0 | |
| LINN-MAR, MARION | LINN-MAR, MARION | 4 | CEDAR FALLS | 3 | |
| MARSHALLTOWN | NEWTON | 8 | MARSHALLTOWN | 7 | (13 inn) |
| MASON CITY | MASON CITY | PPD | WATERLOO, EAST | PPD | |
| NORTH SCOTT, ELDRIDGE | BURLINGTON | 9 | NORTH SCOTT, ELDRIDGE | 7 | |
| OTTUMWA | JOHNSTON | 3 | OTTUMWA | 0 | |
| PLEASANT VALLEY | BETTENDORF | 7 | PLEASANT VALLEY | 6 | |
| PRAIRIE, CEDAR RAPIDS | PRAIRIE, CEDAR RAPIDS | 6 | WATERLOO, WEST | 4 | (8 inn) |
| SIOUX CITY, EAST | SIOUX CITY, EAST | 8 | SIOUX CITY, WEST | 0 | |
| SOUTHEAST POLK | SOUTHEAST POLK | 14 | DES MOINES, LINCOLN | 0 | (5 inn) |
| URBANDALE | URBANDALE | 7 | SIOUX CITY, NORTH | 6 | (8 inn) |
| VALLEY, WEST DES MOINES | VALLEY, WEST DES MOINES | 3 | DES MOINES, EAST | 0 | |
| WAUKEE | COUNCIL BLUFFS, ABE LINCOLN | 1 | WAUKEE | 0 | |
| XAVIER, CEDAR RAPIDS | XAVIER, CEDAR RAPIDS | 5 | DUBUQUE, SENIOR | 1 |