2004Final results
2004 election for Idaho's 1st District
U.S. House · Idaho
Butch Otter (R) won with 69.5% of the vote, defeating Naomi Preston (D) by 39.1 points.
Butch OtterRepublican · winner
69.5%207,662
Naomi PrestonDemocrat
30.5%90,927
298,589 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2004
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Naomi PrestonButch Otter
$15.2K
Raised by the campaign
$724.7K
$15.2K
Spent by the campaign
$512.5K
$49
Cash on hand
$245.1K
Campaign money: FEC, through Dec 31, 2004.
Source: FEC campaign filingsUpdated Dec 31, 2004