1968Final results
1968 election for South Dakota Legislative District 3
South Dakota State Senate · South Dakota
Louis L. Johnson (R) won with 56.0% of the vote, defeating Russell Peterson (D) by 12.1 points.
Louis L. JohnsonRepublican · winner · incumbent
56.0%3,683
Russell PetersonDemocrat
44.0%2,889
6,572 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