1970Final results
1970 election for South Dakota Legislative District 27
South Dakota State Senate · South Dakota
Joe R. Dunmire (R) won with 57.0% of the vote, defeating M. W. Clarkson (D) by 14.0 points.
Joe R. DunmireRepublican · winner · incumbent
57.0%3,231
M. W. ClarksonDemocrat
43.0%2,438
5,669 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET