1968Final results
1968 election for South Dakota Legislative District 12
South Dakota State Senate · South Dakota
Wendell Leafstedt (R) won with 85.9% of the vote, defeating Lewis P. Peterson (Ind) by 71.8 points.
Wendell LeafstedtRepublican · winner
85.9%5,989
Lewis P. PetersonIndependent
14.1%982
6,971 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 1968
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET