Boone Buena Vista Butler Calhoun Carroll / Marshall Mitchell Poweshiek Tama Winneshiek / Clay Crawford Dickinson Emmet Floyd / Lee Louisa Lucas Mahaska Marion Monroe Muscatine / Brien Osceola Palo Alto Plymouth / Marion Monroe Muscatine Scott Van Buren / Harrison Humboldt Ida Kossuth Lyon / Jefferson Johnson Keokuk Lee Louisa Lucas / DEM NP OTH / Ida Kossuth Lyon Monona / Emmet Floyd Franklin Greene Grundy Hamilton Hancock / Clayton Delaware Dubuque Fayette Howard / Warren Grand / Fayette Howard Iowa Jackson Jones Linn / Clarke Clinton Davis Decatur Des / Shelby Sioux / Adair Adams Cass Dallas Fremont / Davis Decatur Des Moines Henry / Henry Jasper Jefferson Johnson Keokuk / Scott Van Buren Wapello Washington Wayne / Calhoun Carroll Cerro / /