2010Final results
2010 election for U.S. Senate in Idaho
U.S. Senate · Idaho
Mike Crapo (R) won with 71.2% of the vote, defeating P. Tom Sullivan (D) by 46.2 points.
Mike CrapoRepublican · winner
71.2%319,953
P. Tom SullivanDemocrat
24.9%112,057
Randy Lynn BergquistConstitution
3.9%17,429
449,530 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 2010
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.
P. Tom SullivanMike Crapo
$97.1K
Raised by the campaign
$3.7M
$99.8K
Spent by the campaign
$2.5M
-$2.7K
Cash on hand
$3M
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010