2016Final results
2016 election for South Dakota Legislative District 11
South Dakota State Senate · South Dakota
Jim Stalzer (R) won with 60.8% of the vote, defeating Tom Cool (D) by 21.6 points.
Jim StalzerRepublican · winner
60.8%6,944
Tom CoolDemocrat
39.2%4,481
The same year, the district voted R+19.8 for president; this race was R+21.6.11,425 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET