1990Final results
1990 election for Iowa Senate District 7
Iowa State Senate · Iowa
C. Joseph Coleman (D) won with 50.1% of the vote, defeating Jim Kersten (R) by 0.1 points.
C. Joseph ColemanDemocrat · winner · incumbent
50.1%8,841
Jim KerstenRepublican
49.9%8,819
17,660 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