2006Final results
2006 election for South Dakota Legislative District 4
South Dakota State Senate · South Dakota
Jim Peterson (D) won with 52.7% of the vote, defeating Larry Diedrich (R) by 5.3 points.
Jim PetersonDemocrat · winner · incumbent
52.7%5,097
Larry DiedrichRepublican
47.3%4,582
9,679 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 2006
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET