2010Final results
2010 election for South Dakota Legislative District 8
South Dakota State Senate · South Dakota
Russell Olson (R) won with 80.9% of the vote, defeating Clark Schmidtke Sr. (Ind) by 61.8 points.
Russell OlsonRepublican · winner · incumbent
80.9%6,981
Clark Schmidtke Sr.Independent
19.1%1,648
8,629 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET