2014Final results
2014 election for South Dakota Legislative District 11
South Dakota State Senate · South Dakota
David M. Omdahl (R) won with 59.7% of the vote, defeating Tom Cool (D) by 19.4 points.
David M. OmdahlRepublican · winner · incumbent
59.7%4,545
Tom CoolDemocrat
40.3%3,071
7,616 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