1988Final results
1988 election for South Dakota Legislative District 22
South Dakota State Senate · South Dakota
Clyde E. Streff (R) won with 54.9% of the vote, defeating Vincent J. Protsch (D) by 9.8 points.
Clyde E. StreffRepublican · winner · incumbent
54.9%5,086
Vincent J. ProtschDemocrat
45.1%4,175
9,261 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