1990Flipped from DemocraticFinal resultsIncumbent defeated
1990 election for South Dakota Legislative District 20
South Dakota State Senate · South Dakota
Eleanor Saukerson (R) won with 55.0% of the vote, defeating Leonard E. Andera (D) by 10.0 points, a seat Democrats won last time.
Eleanor SaukersonRepublican · winner
55.0%4,437
Leonard E. AnderaDemocrat · incumbent
45.0%3,629
8,066 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