1974Final results
1974 election for South Dakota Legislative District 9
South Dakota House of Representatives · South Dakota
2 seats: Merwyn H. Walter (D), Duaine Swenson (D) won.
2 seatsMerwyn H. WalterDemocrat · winner · incumbent
28.1%4,949
Duaine SwensonDemocrat · winner · incumbent
27.6%4,862
Herbert WilloughbyRepublican
22.8%4,018
John V. TerveenRepublican
21.5%3,794
17,623 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 1974
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET