1988Final results
1988 election for South Dakota Legislative District 9
South Dakota State Senate · South Dakota
Walt Bones Jr. (R) won with 51.5% of the vote, defeating Bill Heiter (D) by 2.9 points.
Walt Bones Jr.Republican · winner · incumbent
51.5%4,373
Bill HeiterDemocrat
48.5%4,126
8,499 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 1988
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET