| SUBSTATE SITE | |||||
| ANKENY | ANKENY | 10 | DES MOINES, NORTH | 0 | (5) |
| BOONE | AMES | 7 | BOONE | 0 | |
| BURLINGTON | BURLINGTON | 7 | DAVENPORT, WEST | 6 | |
| CEDAR FALLS | CEDAR FALLS | 7 | NEWTON | 5 | |
| CEDAR FALLS | WATERLOO, WEST | 5 | MASON CITY | 3 | |
| CEDAR RAPIDS, JEFFERSON | IOWA CITY, CITY | 13 | CEDAR RAPIDS, JEFFERSON | 4 | |
| CEDAR RAPIDS, KENNEDY | CEDAR RAPIDS, KENNEDY | 9 | IOWA CITY, WEST | 8 | |
| CEDAR RAPIDS, KENNEDY | CEDAR RAPIDS, WASHINGTON | 8 | PRAIRIE, CEDAR RAPIDS | 5 | |
| DAVENPORT, CENTRAL | DAVENPORT, CENTRAL | 8 | MUSCATINE | 3 | |
| DAVENPORT, CENTRAL | BETTENDORF | 13 | DAVENPORT, NORTH | 1 | (5) |
| DOWLING CATHOLIC, WDM | DOWLING CATHOLIC, WDM | 4 | WAUKEE | 2 | |
| FORT DODGE | FORT DODGE | 8 | SIOUX CITY, WEST | 1 | |
| INDIANOLA | DES MOINES, LINCOLN | 13 | OSKALOOSA | 1 | (6) |
| INDIANOLA | INDIANOLA | 5 | VALLEY, WEST DES MOINES | 1 | |
| JOHNSTON | DES MOINES, EAST | 8 | JOHNSTON | 6 | |
| LEWIS CENTRAL | URBANDALE | 16 | COUNCIL BLUFFS, T JEFFERSON | 3 | |
| LEWIS CENTRAL | COUNCIL BLUFFS, A LINCOLN | 8 | LEWIS CENTRAL | 1 | |
| LINN-MAR, MARION | CLINTON | 15 | LINN-MAR, MARION | 10 | |
| MARSHALLTOWN | MARSHALLTOWN | 5 | WATERLOO, EAST | 1 | |
| NORTH SCOTT, ELDRIDGE | NORTH SCOTT, ELDRIDGE | 18 | DUBUQUE, HEMPSTEAD | 7 | |
| NORTH SCOTT, ELDRIDGE | PLEASANT VALLEY | 4 | DUBUQUE, SENIOR | 2 | |
| OTTUMWA | OTTUMWA | 8 | DES MOINES, ROOSEVELT | 4 | |
| SIOUX CITY, EAST | SIOUX CITY, NORTH | 15 | SIOUX CITY, EAST | 0 | (5) |
| SOUTHEAST POLK | SOUTHEAST POLK | 8 | DES MOINES, HOOVER | 1 |