1986Final results
1986 election for South Dakota Legislative District 3
South Dakota State Senate · South Dakota
David S. Lausten (D) won with 69.5% of the vote, defeating Delphine E. Janusz (R) by 39.0 points.
David S. LaustenDemocrat · winner · incumbent
69.5%5,516
Delphine E. JanuszRepublican
30.5%2,418
7,934 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 1986
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET