1990Final results
1990 election for South Dakota Legislative District 33
South Dakota State Senate · South Dakota
Judith R. Olson (D) won with 58.3% of the vote, defeating W. A. Tubbs (R) by 16.6 points.
Judith R. OlsonDemocrat · winner · incumbent
58.3%3,851
W. A. TubbsRepublican
41.7%2,752
6,603 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET