1978Final results
1978 election for Idaho Legislative District 29
Idaho State Senate · Idaho
J. Marsden Williams (R) won with 63.2% of the vote, defeating Charles Amberson (D) by 26.4 points.
J. Marsden WilliamsRepublican · winner · incumbent
63.2%5,010
Charles AmbersonDemocrat
36.8%2,920
7,930 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET