| SUBSTATE SITE | ||||
| APLINGTON-PARKERSBURG | APLINGTON-PARKERSBURG | 42 | SAINT ANSGAR | 0 |
| BELLE PLAINE | BELLE PLAINE | 28 | NORTH-LINN, TROY MILLS | 0 |
| EMMETSBURG | EMMETSBURG | 54 | SOUTH WINNESHIEK, CALMAR | 20 |
| GLADBROOK-REINBECK | GLADBROOK-REINBECK | 12 | GARNER-HAYFIELD | 0 |
| GRISWOLD | HINTON | 17 | GRISWOLD | 10 |
| HARTLEY-MELVIN-SANBORN | HARTLEY-MELVIN-SANBORN | 48 | LOGAN-MAGNOLIA | 15 |
| MAQUOKETA VALLEY, DELHI | MAQUOKETA VALLEY, DELHI | 35 | PEKIN | 0 |
| MOUNT AYR | MOUNTY AYR | 49 | MANSON-NORTHWEST WEBSTER | 15 |
| NORTHEAST, GOOSE LAKE | IOWA VALLEY, MARENGO | 15 | NORTHEAST, GOOSE LAKE | 6 |
| PELLA CHRISTIAN | PELLA CHRISTIAN | 58 | OGDEN | 13 |
| PRAIRIE VALLEY, GOWRIE | PRAIRIE VALLEY, GOWRIE | 33 | NODAWAY VALLEY | 14 |
| ST. ALBERT, COUNCIL BLUFFS | ST. ALBERT, COUNCIL BLUFFS | 35 | LAWTON-BRONSON | 10 |
| ST. EDMOND, FORT DODGE | ST. EDMOND, FORT DODGE | 35 | NASHUA-PLAINFIELD | 28 |
| WEST BRANCH | WEST BRANCH | 37 | ALBURNETT | 0 |
| WEST LYON, INWOOD | WEST LYON, INWOOD | 48 | UNDERWOOD | 0 |
| WOODWARD-GRANGER | WOODWARD-GRANGER | 32 | PLEASANTVILLE | 31 |