1982Final resultsIncumbent defeated
1982 election for Idaho Legislative District 12
Idaho State Senate · Idaho
Terry Reilly (D) won with 53.2% of the vote, defeating Leon H. Swenson (R) by 6.4 points.
Terry ReillyDemocrat · winner
53.2%4,193
Leon H. SwensonRepublican · incumbent
46.8%3,692
7,885 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 1982
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET