1988Final results
1988 election for South Dakota Legislative District 4
South Dakota State Senate · South Dakota
Dorothy M. Kellogg (D) won with 52.7% of the vote, defeating Thomas E. Roby (R) by 5.4 points.
Dorothy M. KelloggDemocrat · winner · incumbent
52.7%5,162
Thomas E. RobyRepublican
47.3%4,632
9,794 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET