1980Final results
1980 election for South Dakota Legislative District 4
South Dakota State Senate · South Dakota
Jake Krull (D) won with 54.6% of the vote, defeating Thomas E. Roby (R) by 9.2 points.
Jake KrullDemocrat · winner · incumbent
54.6%5,491
Thomas E. RobyRepublican
45.4%4,566
10,057 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET