2018Final results
2018 election for Utah's 1st District
U.S. House · Utah
Rob Bishop (R) won with 60.6% of the vote, defeating Lee Castillo (D) by 36.1 points.
Rob BishopRepublican · winner
60.6%156,628
Lee CastilloDemocrat
24.5%63,343
Eric EliasonIndependent
11.4%29,537
Adam DavisGreen
1.9%4,793
James SingerDemocrat
0.9%2,231
John R. CurtisRepublican
0.8%1,961
Greg DuerdenOther party
0.0%80
Tim ZeidnerOther party
0.0%37
258,610 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.
Lee CastilloRob Bishop
$27.2K
Raised by the campaign
$1.2M
$26K
Spent by the campaign
$1M
$0
Cash on hand
$343.4K
Other candidates' campaigns: Eric Eliason $257.5K · Adam Davis $1.5K.
Campaign money: FEC, through Nov 26, 2018; FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018
The candidates
Rob Bishop (R)Lee Castillo (D)Eric Eliason (I)
Also on the ballot: Adam Davis (Green), 1.9%; James Singer (Democrat), 0.9%; John R. Curtis (Republican), 0.8%; Greg Duerden (Other party), 0.0%; Tim Zeidner (Other party), 0.0%