1980Final results
1980 election for Idaho Legislative District 29
Idaho State Senate · Idaho
J. Marsden Williams (R) won with 64.0% of the vote, defeating Charles Amberson (D) by 28.0 points.
J. Marsden WilliamsRepublican · winner · incumbent
64.0%7,538
Charles AmbersonDemocrat
36.0%4,237
11,775 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET