1978Final results
1978 election for Idaho Legislative District 35
Idaho State Senate · Idaho
Chick Bilyeu (D) won with 53.6% of the vote, defeating Mark Duffin (R) by 11.8 points.
Chick BilyeuDemocrat · winner · incumbent
53.6%5,771
Mark DuffinRepublican
41.9%4,506
Roger L. StevensLibertarian
4.5%484
10,761 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