1976Flipped from DemocraticFinal resultsIncumbent defeated
1976 election for South Dakota Legislative District 3
South Dakota State Senate · South Dakota
Harold Halverson (R) won with 51.9% of the vote, defeating Arlo Leddy (D) by 3.7 points, a seat Democrats won last time.
Harold HalversonRepublican · winner
51.9%4,420
Arlo LeddyDemocrat · incumbent
48.1%4,103
8,523 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