1970Flipped from DemocraticFinal results
1970 election for Iowa Senate District 21
Iowa State Senate · Iowa
Charles F. Balloun (R) won with 52.4% of the vote, defeating Ernest Groth (D) by 4.8 points, a seat Democrats won last time.
Charles F. BallounRepublican · winner · incumbent
52.4%8,053
Ernest GrothDemocrat
47.6%7,314
15,367 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET