| SUBSTATE SITE | |||||
| AMES | AMES | 73 | DES MOINES, LINCOLN | 46 | |
| BETTENDORF | BETTENDORF | 60 | CLINTON | 34 | |
| CEDAR RAPIDS, KENNEDY | CEDAR RAPIDS, KENNEDY | 51 | WATERLOO, EAST | 36 | |
| CEDAR RAPIDS, WASHINGTON | CEDAR RAPIDS, WASHINGTON | 60 | CEDAR RAPIDS, JEFFERSON | 57 | |
| DES MOINES, HOOVER | DES MOINES, HOOVER | 56 | DOWLING CATHOLIC, WDM | 55 | |
| DES MOINES, ROOSEVELT | DES MOINES, ROOSEVELT | 79 | MASON CITY | 71 | |
| IOWA CITY, CITY | IOWA CITY, CITY | 59 | PRAIRIE, CEDAR RAPIDS | 41 | |
| IOWA CITY, WEST | IOWA CITY, WEST | 38 | BURLINGTON | 29 | |
| JOHNSTON | JOHNSTON | 68 | OSKLOOSA | 52 | |
| LINN-MAR, MARION | LINN-MAR, MARION | 85 | XAVIER, CEDAR RAPIDS | 61 | |
| MARSHALLTOWN | CEDAR FALLS | 61 | MARSHALLTOWN | 57 | |
| NORTH SCOTT, ELDRIDGE | NORTH SCOTT, ELDRIDGE | 36 | PLEASANT VALLEY | 25 | |
| SIOUX CITY, EAST | SIOUX CITY, EAST | 71 | SIOUX CITY, NORTH | 66 | |
| SIOUX CITY, WEST | SIOUX CITY, WEST | PPD | COUNCIL BLUFFS, ABE LINCOLN | PPD | |
| SOUTHEAST POLK | SOUTHEAST POLK | 77 | WAUKEE | 60 | |
| URBANDALE | URBANDALE | 72 | DES MOINES, NORTH | 55 |