1974Final results
1974 election for South Dakota Legislative District 3
South Dakota State Senate · South Dakota
Arlo Leddy (D) won with 51.4% of the vote, defeating Harold Halverson (R) by 2.8 points.
Arlo LeddyDemocrat · winner · incumbent
51.4%4,188
Harold HalversonRepublican
48.6%3,960
8,148 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 1974
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET