| DISTRICT SITE | |||||
| A-D-M, ADEL | PERRY | 9 | CRESTON | 2 | |
| A-D-M, ADEL | A-D-M, ADEL | 16 | JEFFERSON-SCRANTON | 1 | (5 inn) |
| ALGONA | HUMBOLDT | 6 | CLEAR LAKE | 5 | (8 inn) |
| ALGONA | ALGONA | 4 | FOREST CITY | 3 | |
| BOONE | BOONE | 12 | WEBSTER CITY | 0 | (5 inn) |
| BOONE | BALLARD | 5 | NEVADA | 1 | |
| CENTERVILLE | KNOXVILLE | 3 | CHARITON | 2 | (8 inn) |
| CENTERVILLE | CENTERVILLE | 8 | FAIRFIELD | 4 | |
| DECORAH | DECORAH | 2 | WAUKON | 0 | |
| DECORAH | NEW HAMPTON | 4 | CRESTWOOD, CRESCO | 0 | |
| EPWORTH, WESTERN DUBUQUE | WEST DELAWARE, MANCHESTER | 7 | OELWEIN | 4 | |
| EPWORTH, WESTERN DUBUQUE | WAHLERT, DUBUQUE | 11 | EPWORTH, WESTERN DUBUQUE | 4 | |
| HARLAN | HARLAN | 7 | CARROLL | 1 | |
| HARLAN | GLENWOOD | 3 | ATLANTIC | 2 | |
| LEMARS | SERGEANT BLUFF-LUTON | 6 | LEMARS | 5 | (8 inn) |
| LEMARS | BOYDEN-HULL/ROCK VALLEY | 7 | BISHOP HEELAN CATHOLIC, SC | 3 | |
| MAQUOKETA | ASSUMPTION, DAVENPORT | 8 | MAQUOKETA | 5 | |
| MAQUOKETA | CENTRAL CLINTON, DEWITT | 8 | ANAMOSA | 7 | |
| MOUNT PLEASANT | WASHINGTON | 6 | KEOKUK | 2 | |
| MOUNT PLEASANT | MOUNT PLEASANT | 10 | FORT MADISON | 3 | |
| NORWALK | NORWALK | 6 | WINTERSET | 2 | |
| NORWALK | DALLAS CENTER-GRIMES | 8 | SAYDEL | 4 | |
| PELLA | SOUTH TAMA COUNTY, TAMA | 9 | GRINNELL | 3 | |
| PELLA | CARLISLE | 4 | PELLA | 3 | (8 inn) |
| STORM LAKE | STORM LAKE | 12 | MOC-FLOYD VALLEY | 5 | |
| STORM LAKE | SPENCER | 5 | DENISON-SCHLESWIG | 2 | |
| VINTON-SHELLSBURG | INDEPENDENCE | 4 | VINTON-SHELLSBURG | 3 | |
| VINTON-SHELLSBURG | CENTER POINT-URBANA | 16 | UNION, LA PORTE CITY | 5 | (5 inn) |
| WAVERLY-SHELL ROCK | HAMPTON-DUMONT | 4 | WAVERLY-SHELL ROCK | 3 | |
| WAVERLY-SHELL ROCK | CHARLES CITY | 6 | IOWA FALLS-ALDEN | 0 | |
| WILLIAMSBURG | WILLIAMSBURG | 7 | CLEAR CREEK-AMANA | 5 | |
| WILLIAMSBURG | MARION | 5 | BENTON, VAN HORNE | 3 |