2014Final results
2014 election for South Dakota Legislative District 26
South Dakota State Senate · South Dakota
Troy Heinert (D) won with 56.5% of the vote, defeating John Koskan (R) by 13.0 points.
Troy HeinertDemocrat · winner
56.5%3,747
John KoskanRepublican
43.5%2,883
6,630 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 2014
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET