1992Final resultsIncumbent defeated
1992 election for South Dakota Legislative District 20
South Dakota State Senate · South Dakota
Mel Olson (D) won with 57.2% of the vote, defeating George Shanard (R) by 14.5 points.
Mel OlsonDemocrat · winner
57.2%5,444
George ShanardRepublican · incumbent
42.8%4,066
9,510 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 1992
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET