| SUBSTATE SITE | |||||
| ANKENY | ANKENY | 12 | NEWTON | 0 | |
| BETTENDORF | BETTENDORF | 7 | PLEASANT VALLEY | 3 | |
| CEDAR FALLS | MARSHALLTOWN | 2 | CEDAR FALLS | 1 | |
| CEDAR RAPIDS, KENNEDY | CEDAR RAPIDS, KENNEDY | 11 | DAVENPORT, NORTH | 2 | |
| CLINTON | LINN-MAR, MARION | 10 | CLINTON | 4 | |
| COUNCIL BLUFFS, ABE LINCOLN | COUNCIL BLUFFS, ABE LINCOLN | 12 | LEWIS CENTRAL | 2 | (5 inn) |
| DAVENPORT, CENTRAL | CEDAR RAPIDS, WASHINGTON | 5 | DAVENPORT, CENTRAL | 3 | |
| DAVENPORT, WEST | DAVENPORT, WEST | 9 | PRAIRIE, CEDAR RAPIDS | 3 | |
| DES MOINES, EAST | DES MOINES, EAST | 13 | DES MOINES, NORTH | 2 | (6 inn) |
| DES MOINES, HOOVER | URBANDALE | 4 | DES MOINES, HOOVER | 1 | |
| DES MOINES, ROOSEVELT | JOHNSTON | 9 | DES MOINES, ROOSEVELT | 2 | |
| DOWLING CATHOLIC, WDM | DOWLING CATHOLIC, WDM | 12 | COUNCIL BLUFFS, T JEFFERSON | 0 | (5 inn) |
| DUBUQUE, HEMPSTEAD | DUBUQUE, HEMPSTEAD | 4 | DUBUQUE, SENIOR | 3 | (8 inn) |
| FORT DODGE | FORT DODGE | 4 | AMES | 3 | |
| IOWA CITY, WEST | IOWA CITY, WEST | 9 | NORTH SCOTT, ELDRIDGE | 4 | |
| MASON CITY | MASON CITY | 15 | WATERLOO, EAST | 0 | (4 inn) |
| MUSCATINE | MUSCATINE | 7 | IOWA CITY, CITY | 3 | |
| OTTUMWA | INDIANOLA | 11 | OTTUMWA | 6 | |
| SERGEANT BLUFF-LUTON | SIOUX CITY, EAST | 9 | WAUKEE | 8 | (8 inn) |
| SIOUX CITY, NORTH | SIOUX CITY, NORTH | 17 | SIOUX CITY, WEST | 5 | |
| SOUTHEAST POLK | OSKALOOSA | 3 | SOUTHEAST POLK | 2 | |
| VALLEY, WDM | VALLEY, WDM | 10 | DES MOINES, LINCOLN | 1 | |
| WATERLOO, WEST | CEDAR RAPIDS, JEFFERSON | 12 | WATERLOO, WEST | 5 | |
| XAVIER, CEDAR RAPIDS | XAVIER, CEDAR RAPIDS | 11 | BURLINGTON | 1 | (5 inn) |