1984Final results
1984 election for South Dakota Legislative District 4
South Dakota State Senate · South Dakota
Thomas E. Roby (R) won with 51.6% of the vote, defeating Dorothy M. Kellogg (D) by 3.1 points.
Thomas E. RobyRepublican · winner · incumbent
51.6%5,068
Dorothy M. KelloggDemocrat
48.4%4,762
9,830 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 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET