2018Final results
2018 election for Hawaii's 1st District
U.S. House · Hawaii
Ed Case (D) won with 73.1% of the vote, defeating Cam Cavasso (R) by 50.0 points.
Ed CaseDemocrat · winner
73.1%134,650
Cam CavassoRepublican
23.1%42,498
Michelle Rose TippensLibertarian
1.9%3,498
Zachary B. BurdGreen
1.2%2,214
Calvin C. GriffinNonpartisan
0.7%1,351
184,211 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Ed CaseCam Cavasso
$563.8K
Raised by the campaign
$156.9K
$482.8K
Spent by the campaign
$155.4K
$81K
Cash on hand
$1.5K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018
The candidates
Ed Case (D)Cam Cavasso (R)
Also on the ballot: Michelle Rose Tippens (Libertarian), 1.9%; Zachary B. Burd (Green), 1.2%; Calvin C. Griffin (Nonpartisan), 0.7%