| SUBSTATE SITE | |||||
| BENTON COMMUNITY | MARION | 6 | WILLIAMSBURG | 5 | |
| HAMPTON-DUMONT | BOONE | 9 | CLEAR LAKE | 8 | |
| HARLAN | HARLAN | 7 | GLENWOOD | 1 | |
| NORWALK | A-D-M, ADEL | 7 | CHARITON | 4 | |
| OELWEIN | WAUKON | 2 | OELWEIN | 1 | |
| OTTUMWA | WASHINGTON | 16 | CENTERVILLE | 0 | (6 inn) |
| SOLON | SOLON | 11 | ASSUMPTION, DAVENPORT | 4 | |
| STORM LAKE | STORM LAKE | 5 | BISHOP HEELAN CATHOLIC, SC | 4 |