1968Final results
1968 election for South Dakota Legislative District 27
South Dakota State Senate · South Dakota
Joe R. Dunmire (R) won with 63.3% of the vote, defeating Donald R. Theisen (D) by 26.7 points.
Joe R. DunmireRepublican · winner
63.3%4,362
Donald R. TheisenDemocrat
36.7%2,525
6,887 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 1968
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET