1968Final results
1968 election for South Dakota Legislative District 7
South Dakota State Senate · South Dakota
Henry A. Poppen (R) won with 55.4% of the vote, defeating Marvin Ogren (D) by 10.8 points.
Henry A. PoppenRepublican · winner · incumbent
55.4%4,945
Marvin OgrenDemocrat
44.6%3,981
8,926 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