2020Final results
2020 election for South Dakota Legislative District 9
South Dakota State Senate · South Dakota
Wayne H. Steinhauer (R) won with 58.0% of the vote, defeating Suzanne Jones Pranger (D) by 15.9 points.
Wayne H. SteinhauerRepublican · winner · incumbent
58.0%7,654
Suzanne Jones PrangerDemocrat
42.0%5,552
13,206 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET