District #1: SB-L
District #2: Spirit Lake
Substate #1: SB-L
District #3: Gilbert
District #4: Saydel
Substate #2: Saydel
District #5: Decorah
District #6: Dubuque Wahlert
Substate #3: Dubuque Wahlert
District #7: Marion
District #8: Solon
Substate #4: Marion
District #9: Davenport Assumption
District #10: Fairfield
Substate #5: Davenport Assumption
District #11: Vinton-Shellsburg
District #12: Oskaloosa
Substate #6: Vinton-Shellsburg
District #13: Carlisle
District #14: Boone
Substate #7: Carlisle
District #15: Harlan
District #16: Glenwood
Substate #8: Harlan
District #2: Spirit Lake
Substate #1: SB-L
District #3: Gilbert
District #4: Saydel
Substate #2: Saydel
District #5: Decorah
District #6: Dubuque Wahlert
Substate #3: Dubuque Wahlert
District #7: Marion
District #8: Solon
Substate #4: Marion
District #9: Davenport Assumption
District #10: Fairfield
Substate #5: Davenport Assumption
District #11: Vinton-Shellsburg
District #12: Oskaloosa
Substate #6: Vinton-Shellsburg
District #13: Carlisle
District #14: Boone
Substate #7: Carlisle
District #15: Harlan
District #16: Glenwood
Substate #8: Harlan