2020Final results
2020 election for South Dakota Legislative District 20
South Dakota State Senate · South Dakota
Joshua Klumb (R) won with 85.1% of the vote, defeating Alexander Martin (Oth) by 70.2 points.
Joshua KlumbRepublican · winner · incumbent
85.1%8,516
Alexander MartinOther party
14.9%1,492
10,008 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