1984Final results
1984 election for Iowa House District 40
Iowa House of Representatives · Iowa
Don Hermann (R) won re-election with 70.2% of the vote, defeating Bill Bonamour (D) by 40.5 points.
Don HermannRepublican · winner · incumbent
70.2%9,639
Bill BonamourDemocrat
29.8%4,085
13,724 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1984
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)