The 2026 United States House of Representatives elections in Idaho will be held on November 3, 2026, to elect the two U.S. representatives from the state of Idaho, one from both of the state's congressional districts. The elections will coincide with the other elections to the House of Representatives, elections to the United States Senate, and various state and local elections. The primary elections took place on May 19, 2026.

District 1

The 1st district takes in the Idaho Panhandle and the western Boise area. The incumbent is Republican Russ Fulcher, who was re-elected with 71.0% of the vote in 2024.

Republican primary Candidates Nominee Russ Fulcher, incumbent U.S. representative

Eliminated in primary Andy Briner, kitchen designer Joseph Morrison, information security professionalhttps://run.voteidaho.gov/search

Endorsements

Fundraising Campaign finance reports as of April 29, 2026CandidateRaisedSpentCash on handRuss Fulcher (R)$577,744$498,678$259,075Source: Federal Election Commission

Results

Democratic primary Candidates Nominee Kaylee Peterson, artisan jeweler and nominee for this district in 2022 and 2024 Eliminated in primary Ken Brungardt, retired painting contractor

Fundraising Campaign finance reports as of April 29, 2026CandidateRaisedSpentCash on handKen Brungardt (D)$45,015$42,296$2,719Kaylee Peterson (D)$145,482$134,248$16,625Source: Federal Election Commission

Results

Constitution primary Candidates Filed paperwork Brendan Gomez, nominee for this district in 2024

Independents Candidates Declared Sarah Zabel, author and retired U.S. Air Force major general

Fundraising Campaign finance reports as of April 29, 2026CandidateRaisedSpentCash on handSarah Zabel (I)$41,408$29,629$11,779Source: Federal Election Commission

General election Predictions SourceRankingAs of Decision Desk HQ July 14, 2026 The Cook Political Report February 6, 2025 Inside Elections March 7, 2025 Sabato's Crystal Ball April 10, 2025

Post-primary endorsements

Fundraising Campaign finance reports as of June 30, 2026CandidateRaisedSpentCash on hand Russ Fulcher (R)$662,615$597,924$244,700 Kaylee Peterson (D)$181,024$171,799$14,616 Brendan Gomez (C)$0$0$0 Sarah Zabel (I)$81,497$57,024$24,473Source: Federal Election Commission

Polling Poll source Date(s)administered Samplesize Marginof errorRuss Fulcher (R)KayleePeterson (D)SarahZabel (I) Other UndecidedChange Research (D)July 28–30, 2026606 (LV)–48%27%5%2%18%46%–26%6%22%SurveyUSAJuly 7–14, 2026480 (LV)± 4.9%45%35%6%1%14%

Russ Fulcher vs. Kaylee Peterson Poll source Date(s)administered Samplesize Marginof errorRuss Fulcher (R)KayleePeterson (D) Other UndecidedSurveyUSA (I)July 7–14, 2026478 (LV)± 4.9%44%39%1%16% Russ Fulcher vs. Sarah Zabel Poll source Date(s)administered Samplesize Marginof errorRuss Fulcher (R)SarahZabel (I) Other UndecidedSurveyUSA (I)July 7–14, 2026478 (LV)± 4.9%39%42%3%17%

Results

District 2

The 2nd district encompasses eastern and northern Boise, as well as Eastern Idaho. The incumbent is Republican Mike Simpson, who was re-elected with 61.4% of the vote in 2024.

Republican primary Candidates Nominee Mike Simpson, incumbent U.S. representative

Eliminated in primary Brian Keene, educator Perry Shumway, brand strategy manager

Endorsements

Fundraising Campaign finance reports as of April 29, 2026CandidateRaisedSpentCash on handPerry Shumway (R)$5,292$2,836$0Mike Simpson (R)$924,725$607,181$422,750Source: Federal Election Commission

Results

Democratic primary Candidates Nominee Elinor Gilbreath, lawyer

Eliminated in primary Julie Wiley, retired counselor

Fundraising Campaign finance reports as of April 29, 2026CandidateRaisedSpentCash on handElinor Gilbreath (D)$68,749$9,880$58,869Julie Wiley (D)$30,477$30,477$0Source: Federal Election Commission

Results

Libertarian primary Candidates Declared Will Johanson, engineer

Constitution primary Candidates Declared Carta Sierra, nominee for this district in 2024

Independents Candidates Declared Emre Houser, small business owner Tripp Hutchinson, Ketchum city councilor

General election Predictions SourceRankingAs of Decision Desk HQ July 14, 2026 The Cook Political Report February 6, 2025 Inside Elections March 7, 2025 Sabato's Crystal Ball April 10, 2025

Post-primary endorsements

Fundraising Campaign finance reports as of June 30, 2026CandidateRaisedSpentCash on hand Mike Simpson (R)$1,118,093$793,940$429,359 Ellie Gilbreath (D)$106,892$35,729$71,163 Will Johanson (L)$0$0$0 Carta Sierra (C)$0$0$0 Emre Houser (I)$0$0$0 Tripp Hutchinson (I)$7,565$1,578$6,963Source: Federal Election Commission

Results

Notes

Partisan clients

References

External links Official campaign websites for 1st district candidates Russ Fulcher (R) Kaylee Peterson (D) Sarah Zabel (I)

Official campaign websites for 2nd district candidates Ellie Gilbreath (D) Emre Houser (I) Tripp Hutchinson (I) Will Johanson (L) Mike Simpson (R)