2002Final results
2002 election for South Dakota Legislative District 26
South Dakota State Senate · South Dakota
John Koskan (R) won with 56.8% of the vote, defeating David Reis (D) by 13.7 points.
John KoskanRepublican · winner · incumbent
56.8%5,581
David ReisDemocrat
43.2%4,237
9,818 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 2002
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET