1980Final resultsIncumbent defeated
1980 election for South Dakota Legislative District 11
South Dakota House of Representatives · South Dakota
2 seats: Debra Anderson (R), David R. Munson (R) won.
2 seatsDebra AndersonRepublican · winner · incumbent
6.2%27,042
David R. MunsonRepublican · winner · incumbent
5.9%25,669
Keith PaisleyRepublican
5.8%25,067
Shirley HalleenDemocrat
5.5%23,890
Hemming OienRepublican · incumbent
5.3%23,267
Robert R. GiebinkRepublican
5.3%23,145
Marion WoffordRepublican · incumbent
5.3%23,116
Henry KnochenmusRepublican · incumbent
5.3%23,041
David J. StromDemocrat · incumbent
5.2%22,480
John TimmerRepublican
5.1%22,217
C. L. AndersonRepublican · incumbent
5.1%22,102
Mary VanderlindeDemocrat
5.1%22,012
Richard BarnesDemocrat
4.9%21,452
Hal WickRepublican · incumbent
4.8%21,016
George KirkDemocrat
4.8%20,997
Thomas K. WilkaDemocrat
4.7%20,669
Wally G. MyersDemocrat
4.3%18,554
Sharon BirkelandDemocrat
3.9%17,072
Fredrick W. DevaneyDemocrat
3.9%17,032
Jan M. AicheleDemocrat
3.6%15,723
435,563 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
The candidates
Debra Anderson (R)David R. Munson (R)Keith Paisley (R)Shirley Halleen (D)Hemming Oien (R)Robert R. Giebink (R)Marion Wofford (R)Henry Knochenmus (R)David J. Strom (D)John Timmer (R)C. L. Anderson (R)Mary Vanderlinde (D)
Also on the ballot: Richard Barnes (Democrat), 4.9%; Hal Wick (Republican), 4.8%; George Kirk (Democrat), 4.8%; Thomas K. Wilka (Democrat), 4.7%; Wally G. Myers (Democrat), 4.3%; Sharon Birkeland (Democrat), 3.9%; Fredrick W. Devaney (Democrat), 3.9%; Jan M. Aichele (Democrat), 3.6%