1988Final results
1988 election for South Dakota Legislative District 13
South Dakota State Senate · South Dakota
Richard Belatti (R) won with 52.0% of the vote, defeating Dennis Pierson (D) by 4.0 points.
Richard BelattiRepublican · winner
52.0%5,619
Dennis PiersonDemocrat
48.0%5,183
10,802 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