1984Flipped from RepublicanFinal results
1984 election for South Dakota Legislative District 3
South Dakota State Senate · South Dakota
David S. Lausten (D) won with 57.5% of the vote, defeating Duane Riedel (R) by 15.0 points, a seat Republicans won last time.
David S. LaustenDemocrat · winner
57.5%5,020
Duane RiedelRepublican
42.5%3,713
8,733 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 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET