2010Final results
2010 election for U.S. Senate in Hawaii
U.S. Senate · Hawaii
Daniel K. Inouye (D) won with 74.8% of the vote, defeating Cam Cavasso (R) by 53.2 points.
Daniel K. InouyeDemocrat · winner
74.8%277,228
Cam CavassoRepublican
21.6%79,939
Jim BrewerGreen
2.1%7,762
Lloyd Jeffrey MallanLibertarian
0.8%2,957
Jeff FarrettNonpartisan
0.7%2,697
370,583 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.
Daniel K. InouyeCam Cavasso
$3.6M
Raised by the campaign
$274K
$4.1M
Spent by the campaign
$274.2K
$1.3M
Cash on hand
$318
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010
The candidates
Daniel K. Inouye (D)Cam Cavasso (R)
Also on the ballot: Jim Brewer (Green), 2.1%; Lloyd Jeffrey Mallan (Libertarian), 0.8%; Jeff Farrett (Nonpartisan), 0.7%