1976Final results
1976 election for South Dakota Legislative District 21
South Dakota State Senate · South Dakota
William L. Grams (R) won with 54.0% of the vote, defeating Bob Samuelson (D) by 7.9 points.
William L. GramsRepublican · winner · incumbent
54.0%3,478
Bob SamuelsonDemocrat
46.0%2,968
6,446 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 1976
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET