1986Final results
1986 election for Iowa Senate District 45
Iowa State Senate · Iowa
James R. Riordan (D) won with 56.3% of the vote, defeating Thomas J. Gratias (R) by 12.7 points.
James R. RiordanDemocrat · winner
56.3%10,969
Thomas J. GratiasRepublican
43.7%8,503
19,473 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 1986
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET