1980Final results
1980 election for Iowa Senate District 30
Iowa State Senate · Iowa
David Readinger (R) won with 56.5% of the vote, defeating Robert J. Marks (D) by 13.1 points.
David ReadingerRepublican · winner · incumbent
56.5%17,024
Robert J. MarksDemocrat
43.5%13,092
30,118 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