1984Final results
1984 election for U.S. Senate in Idaho
U.S. Senate · Idaho
James McClure (R) won with 72.2% of the vote, defeating Peter M. Busch (D) by 46.2 points.
James McClureRepublican · winner
72.2%293,193
Peter M. BuschDemocrat
26.0%105,591
Donald B. BillingsLibertarian
1.8%7,384
406,168 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 1984
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.
Peter M. BuschJames McClure
$30.8K
Raised by the campaign
$1.3M
$31K
Spent by the campaign
$958.2K
$67
Cash on hand
$320.4K
Other candidates' campaigns: Donald B. Billings $7.4K.
Campaign money: FEC, through Dec 31, 1984.
Source: FEC campaign filingsUpdated Dec 31, 1984