1978Final results
1978 election for Idaho Legislative District 28
Idaho State Senate · Idaho
Mark G. Ricks (R) won with 69.7% of the vote, defeating Dean A. Peterson (Ind) by 39.5 points.
Mark G. RicksRepublican · winner
69.7%5,736
Dean A. PetersonIndependent
30.3%2,488
8,224 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