2002Final results
2002 election for Idaho Legislative District 23
Idaho State Senate · Idaho
Tom Gannon (R) won with 55.8% of the vote, defeating William Chisholm (D) by 11.6 points.
Tom GannonRepublican · winner
55.8%5,534
William ChisholmDemocrat
44.2%4,382
9,916 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 2002
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET