1974Flipped from RepublicanFinal resultsIncumbent defeated
1974 election for Iowa House District 4
Iowa House of Representatives · Iowa
Don W. Spencer (D) won with 53.4% of the vote, defeating Rollin C. Edelen (R) by 6.8 points, a seat Republicans won last time.
Don W. SpencerDemocrat · winner
53.4%4,978
Rollin C. EdelenRepublican · incumbent
46.6%4,345
9,323 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 1974
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET