1980Final results
1980 election for South Dakota Legislative District 15
South Dakota State Senate · South Dakota
Donald C. Peterson (R) won with 65.1% of the vote, defeating Corky Kizer (D) by 30.2 points.
Donald C. PetersonRepublican · winner · incumbent
65.1%5,306
Corky KizerDemocrat
34.9%2,844
8,150 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET