2018 United States House of Representatives elections in Idaho

2018 Idaho's 2nd congressional district election
← 2016 2020 →
	Precinct results; Simpson: 50–60% 60–70% 70–80% 80–90% >90%; Swisher 50–60% 60–70% 70–80%; No votes
U.S. Representatives before election; Mike Simpson; Republican	Elected U.S. Representatives ; Mike Simpson; Republican

2018 Idaho's 1st congressional district election
← 2016 2020 →
	Precinct results; Fulcher: 40–50% 50–60% 60–70% 70–80% 80–90% >90%; McNeil 40–50% 50–60% 60–70% 70–80%; Tie: 40–50%; No votes
U.S. Representatives before election; Raúl Labrador; Republican	Elected U.S. Representatives ; Russ Fulcher; Republican

2018 United States House of Representatives elections in Idaho
All 2 Idaho seats to the United States House of Representatives
Republican 50–60% 60–70% 70–80% 80–90%	Democratic 50–60% 60–70%

The 2018 United States House of Representatives elections in Idaho were held on Tuesday, November 6, 2018, to elect the two U.S. representatives from the U.S. state of Idaho; one from each of the state's two congressional districts. Primaries were held on May 15, 2018. The elections and primaries coincided with the elections and primaries of other federal and state offices.

Overview

Results of the 2018 United States House of Representatives elections in Idaho by district:^[1]

District	Republican		Democratic		Others		Total		Result

	Votes	%	Votes	%	Votes	%	Votes	%
District 1	197,719	62.75%	96,922	30.76%	20,428	6.48%	315,069	100.0%	Republican hold
District 2	170,274	60.67%	110,381	39.33%	0	0.00%	280,655	100.0%	Republican hold
Total	367,993	61.77%	207,303	34.80%	20,428	3.43%	595,724	100.0%

District 1

The incumbent was Republican Raúl Labrador, who had represented the district since 2011 and was reelected with 68% of the vote in 2016. He retired to unsuccessfully run in the 2018 Republican gubernatorial primary.

Republican primary

Russ Fulcher, former state senator^[2]
Alex Gallegos, retired U.S. Army lieutenant colonel^[3]
Nick Henderson^[4]
David H. Leroy, former Lieutenant Governor of Idaho^[5]
Luke Malek, state representative^[6]
Christy Perry, state representative^[7]
Michael Snyder, author^[8]

Primary results

Republican primary results
Party		Candidate	Votes	%
	Republican	Russ Fulcher	42,793	43.1
	Republican	David H. Leroy	15,451	15.6
	Republican	Luke Malek	14,154	14.3
	Republican	Christy Perry	11,110	11.2
	Republican	Michael Snyder	10,255	10.3
	Republican	Alex Gallegos	3,478	3.5
	Republican	Nick Henderson	2,003	2.0
Total votes			99,244	100.0

Democratic primary

Cristina McNeil, real estate agent, chair of the Latino caucus of the Idaho Democratic Party^[9]
Michael Smith, former U.S. Marine
James Vandermaas, former U.S. Marine^[10]

Primary results

Democratic primary results
Party		Candidate	Votes	%
	Democratic	Cristina McNeil	19,070	69.3
	Democratic	James Vandermaas	4,491	16.3
	Democratic	Michael Smith	3,963	14.4
Total votes			27,524	100.0

General election

Debate

2018 Idaho's 1st congressional district debate
No.	Date	Host	Link	Republican	Democratic
Key: P Participant A Absent N Not invited I Invited W Withdrawn
				Russ Fulcher	Cristina McNeil
1	Oct. 26, 2018	KTVB	^[11]	P	P

Polling

Poll source	Date(s) administered	Sample size	Margin of error	Russ Fulcher (R)	Cristina McNeil (D)	W. Scott Howard (L)	Other	Undecided
Dan Jones & Associates^[12]	June 22 – July 9, 2018	315	± 5.5%	35%	27%	10%	8%^[13]	20%

Results

Idaho's 1st congressional district, 2018
Party		Candidate	Votes	%
	Republican	Russ Fulcher	197,167	62.7
	Democratic	Cristina McNeil	96,932	30.8
	Independent	Natalie Fleming	6,188	2.0
	Libertarian	W. Scott Howard	5,435	1.7
	Independent	Paul Farmer	4,479	1.4
	Constitution	Marvin "Pro-Life" Richardson	3,181	1.0
	Independent	Gordon Counsil	1,054	0.3
	Independent	Michael J. Rath (write-in)	91	0.0
Total votes			314,527	100.0
	Republican hold