1988Final results
1988 election for Idaho Legislative District 18
Idaho State Senate · Idaho
Roger B. Madsen (R) won with 85.1% of the vote, defeating Joe Hautzinger (Lib) by 70.3 points.
Roger B. MadsenRepublican · winner
85.1%8,145
Joe HautzingerLibertarian
14.9%1,422
9,567 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