1990Final results
1990 election for South Dakota Legislative District 16
South Dakota State Senate · South Dakota
Roger McKellips (D) won with 63.1% of the vote, defeating Daniel L. Cotton Jr. (R) by 26.1 points.
Roger McKellipsDemocrat · winner · incumbent
63.1%4,637
Daniel L. Cotton Jr.Republican
36.9%2,716
7,353 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET