1976Flipped from DemocraticFinal resultsIncumbent defeated
1976 election for South Dakota Legislative District 28
South Dakota State Senate · South Dakota
Eldon S. Jensen (R) won with 50.5% of the vote, defeating John R. Riedy (D) by 0.9 points, a seat Democrats won last time.
Eldon S. JensenRepublican · winner
50.5%4,425
John R. RiedyDemocrat · incumbent
49.5%4,343
8,768 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