1988Final results
1988 election for South Dakota Legislative District 34
South Dakota State Senate · South Dakota
Michael G. Diedrich (R) won with 58.1% of the vote, defeating Scott D. McGregor (D) by 16.2 points.
Michael G. DiedrichRepublican · winner · incumbent
58.1%4,590
Scott D. McGregorDemocrat
41.9%3,309
7,899 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