1984Flipped from RepublicanFinal results
1984 election for South Dakota Legislative District 20
South Dakota State Senate · South Dakota
Leonard E. Andera (D) won with 59.5% of the vote, defeating Duane A. Strand (R) by 19.0 points, a seat Republicans won last time.
Leonard E. AnderaDemocrat · winner
59.5%5,622
Duane A. StrandRepublican
40.5%3,826
9,448 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