1994Final results
1994 election for South Dakota Legislative District 9
South Dakota State Senate · South Dakota
Mark E. Rogen (D) won with 56.8% of the vote, defeating Ronald A. Hefty (R) by 13.6 points.
Mark E. RogenDemocrat · winner · incumbent
56.8%4,944
Ronald A. HeftyRepublican
43.2%3,760
8,704 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 1994
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET