1972Final results
1972 election for Iowa Senate District 20
Iowa State Senate · Iowa
Elizabeth R. Miller (R) won with 61.1% of the vote, defeating Robert E. Rider Sr. (D) by 22.1 points.
Elizabeth R. MillerRepublican · winner
61.1%13,879
Robert E. Rider Sr.Democrat
38.9%8,847
22,728 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 1972
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET