1982Final results

1982 election for South Dakota Legislative District 18

Name: 1982 election for South Dakota Legislative District 18
Start: 1982-11-02
Location: South Dakota

South Dakota State Senate · South Dakota

Clyde E. Streff (R) won with 54.7% of the vote, defeating Duaine Swenson (D) by 9.5 points.

Clyde E. StreffRepublican · winner · incumbent

54.7%5,450

45.3%4,507

9,957 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 1982

Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET