| SUBSTATE SITE | |||||
| BALLARD | BALLARD | 37 | WEBSTER CITY | 7 | |
| BISHOP HEELAN, SIOUX CITY | BISHOP HEELAN, SIOUX CITY | 66 | CRESTON/OM | 2 | |
| CARROLL | CARROLL | 46 | HAMPTON-DUMONT | 12 | |
| CENTERVILLE | CENTERVILLE | 40 | WASHINGTON | 8 | |
| CHARLES CITY | JSPC, JEFFERSON | 20 | CHARLES CITY | 17 | |
| CLEAR CREEK-AMANA | CLEAR CREEK-AMANA | 38 | CARLISLE | 3 | |
| CLEAR LAKE | CLEAR LAKE | 35 | DALLAS CENTER-GRIMES | 17 | |
| DECORAH | DECORAH | 24 | MAQUOKETA | 0 | |
| GLENWOOD | DENISON-SCHLESWIG | 14 | GLENWOOD | 9 | |
| GRINNELL | GRINNELL | 27 | FAIRFIELD | 7 | |
| HARLAN | HARLAN COMMUNITY | 49 | MOC-FLOYD VALLEY | 7 | |
| LEMARS | ADM, ADEL | 20 | LEMARS | 16 | |
| MARION | MARION | 42 | WEST DELAWARE, MANCHESTER | 0 | |
| NEW HAMPTON | NEW HAMPTON | 48 | VINTON-SHELLSBURG | 7 | |
| UNION, LAPORTE CITY | UNION, LAPORTE CITY | 41 | OELWEIN | 13 | |
| WILLIAMSBURG | PELLA | 31 | WILLIAMSBURG | 24 |