2016Final results
2016 election for South Dakota Legislative District 13
South Dakota State Senate · South Dakota
Jack Kolbeck (R) won with 60.8% of the vote, defeating Dennis Pierson (D) by 21.7 points.
Jack KolbeckRepublican · winner
60.8%6,997
Dennis PiersonDemocrat
39.2%4,502
The same year, the district voted D+4.9 for president; this race was R+21.7, a split ticket.11,499 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