1990Final results
1990 election for Iowa Senate District 11
Iowa State Senate · Iowa
John W. Jensen (R) won with 59.7% of the vote, defeating Helen Kopsa (D) by 19.4 points.
John W. JensenRepublican · winner · incumbent
59.7%10,364
Helen KopsaDemocrat
40.3%6,989
17,353 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET