2020Final results
2020 election for South Dakota Legislative District 25
South Dakota State Senate · South Dakota
Marsha Symens (R) won with 58.9% of the vote, defeating Rick W. Knobe (Oth) by 26.2 points.
Marsha SymensRepublican · winner
58.9%7,580
Rick W. KnobeOther party
32.7%4,205
Seth William Van'T HofOther party
8.5%1,093
12,878 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