1972Final resultsIncumbent defeated
1972 election for Iowa Senate District 28
Iowa State Senate · Iowa
Karl Nolin (D) won with 54.4% of the vote, defeating R. Dean Arbuckle (R) by 8.8 points.
Karl NolinDemocrat · winner
54.4%12,248
R. Dean ArbuckleRepublican · incumbent
45.6%10,257
22,505 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