2020Final results
2020 election for South Dakota Legislative District 15
South Dakota State Senate · South Dakota
Reynold F. Nesiba (D) won with 54.7% of the vote, defeating Thor Bardon (R) by 9.5 points.
Reynold F. NesibaDemocrat · winner · incumbent
54.7%4,127
Thor BardonRepublican
45.3%3,411
7,538 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