1980Final results
1980 election for Iowa Senate District 42
Iowa State Senate · Iowa
Charles P. Miller (D) won with 56.8% of the vote, defeating Ralph L. Caston III (R) by 13.7 points.
Charles P. MillerDemocrat · winner · incumbent
56.8%12,631
Ralph L. Caston IIIRepublican
43.2%9,589
22,220 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET