| DISTRICT SITE | |||||
| A-D-M, ADEL | DALLAS CENTER-GRIMES | 10 | SAYDEL | 1 | |
| A-D-M, ADEL | A-D-M, ADEL | 6 | BALLARD | 3 | |
| BOONE | NEVADA | 5 | WEBSTER CITY | 4 | |
| BOONE | BOONE | 5 | HUMBOLDT | 3 | |
| CENTERVILLE | KNOXVILLE | 7 | OSKALOOSA | 3 | |
| CENTERVILLE | CENTERVILLE | 7 | FAIRFIELD | 5 | |
| CRESTON | WINTERSET | 7 | RED OAK | 3 | |
| CRESTON | GLENWOOD | 10 | CRESTON | 0 | (6 inn) |
| DECORAH | DECORAH | PPD | WAUKON | PPD | |
| DECORAH | CRESTWOOD, CRESCO | 7 | CLAYTON RIDGE/CENTRAL | 3 | |
| HAMPTON-DUMONT | CLEAR LAKE | 10 | HAMPTON-DUMONT | 0 | (5 inn) |
| HAMPTON-DUMONT | CHARLES CITY | 5 | ALGONA | 3 | (8 inn) |
| HARLAN | HARLAN | 6 | PERRY | 3 | |
| HARLAN | CARROLL | 7 | ATLANTIC | 1 | |
| LEMARS | MOC-FLOYD VALLEY | 9 | ROCK VALLEY/BOYDEN-HULL | 8 | |
| LEMARS | BISHOP HEELAN CATHOLIC, SIOUX CITY | 12 | LEMARS | 0 | (5 inn) |
| MAQUOKETA | WAHLERT, DUBUQUE | 12 | MAQUOKETA | 0 | (5 inn) |
| MAQUOKETA | ASSUMPTION, DAVENPORT | 11 | CENTRAL CLINTON, DEWITT | 4 | |
| MARION | UNION, LAPORTE CITY | 6 | VINTON-SHELLSBURG | 2 | |
| MARION | MARION | 3 | CENTER POINT-URBANA | 1 | |
| MOUNT PLEASANT | WASHINGTON | 5 | MOUNT PLEASANT | 4 | (8 inn) |
| MOUNT PLEASANT | FORT MADISON | 6 | KEOKUK | 2 | |
| NORWALK | NORWALK | 7 | PELLA | 2 | |
| NORWALK | CHARITON | 6 | CARLISLE | 5 | |
| OELWEIN | WEST DELAWARE, MANCHESTER | 6 | WAVERLY-SHELL ROCK | 2 | |
| OELWEIN | INDEPENDENCE | PPD | OELWEIN | PPD | |
| SOLON | SOLON | 6 | MOUNT VERNON | 0 | |
| SOLON | ANAMOSA | 4 | CLEAR CREEK-AMANA | 1 | |
| STORM LAKE | STORM LAKE | 12 | SPENCER | 0 | (5 inn) |
| STORM LAKE | SERGEANT BLUFF-LUTON | 2 | DENISON-SCHELSWIG | 1 | |
| WILLIAMSBURG | WILLIAMSBURG | 4 | SOUTH TAMA COUNTY, TAMA | 1 | |
| WILLIAMSBURG | GRINNELL | 7 | BENTON COMMUNITY | 5 |