1976Flipped from DemocraticFinal resultsIncumbent defeated
1976 election for South Dakota Legislative District 8
South Dakota State Senate · South Dakota
Theodore I. Spaulding (R) won with 52.0% of the vote, defeating Jack Jackson (D) by 4.1 points, a seat Democrats won last time.
Theodore I. SpauldingRepublican · winner
52.0%4,519
Jack JacksonDemocrat · incumbent
48.0%4,166
8,685 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