1980Final resultsIncumbent defeated
1980 election for South Dakota Legislative District 17
South Dakota House of Representatives · South Dakota
2 seats: Dennis Pierson (D), Dean E. Wieczorek (R) won.
2 seatsDennis PiersonDemocrat · winner · incumbent
29.3%5,289
Dean E. WieczorekRepublican · winner
27.3%4,923
Dale AndersonRepublican · incumbent
25.0%4,505
Gay R. TollefsonDemocrat
18.4%3,328
18,045 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