1978Final resultsIncumbent defeated
1978 election for South Dakota Legislative District 11
South Dakota State Senate · South Dakota
Richard D. Flynn (R) won with 11.3% of the vote, defeating Arnold E. Amundson (R) by 0.6 points.
Richard D. FlynnRepublican · winner
11.3%18,550
Arnold E. AmundsonRepublican
10.7%17,584
Alva W. ScarbroughRepublican
10.7%17,504
Richard O. GregersonRepublican
10.4%17,096
Jerry MayerDemocrat
10.3%16,927
Henry J. Carlson Jr.Republican · incumbent
10.2%16,701
George KirkDemocrat
9.6%15,700
Robert OconnorDemocrat
9.5%15,590
Parnell DonohueDemocrat
9.0%14,807
Earl McCartDemocrat
8.4%13,816
164,275 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET