2020Final results
2020 election for South Dakota Legislative District 33
South Dakota State Senate · South Dakota
David Johnson (R) won with 68.1% of the vote, defeating Ryan A. Ryder (D) by 36.3 points.
David JohnsonRepublican · winner
68.1%11,369
Ryan A. RyderDemocrat
31.9%5,317
16,686 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