1988Final results
1988 election for South Dakota Legislative District 31
South Dakota State Senate · South Dakota
James B. Dunn (R) won with 64.6% of the vote, defeating Joan A. Conroy (D) by 29.1 points.
James B. DunnRepublican · winner · incumbent
64.6%6,571
Joan A. ConroyDemocrat
35.4%3,605
10,176 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET