2018 United States House of Representatives election in Montana

The 2018 United States House of Representatives election in Montana was held on November 6, 2018, to elect the U.S. representative from Montana's at-large congressional district. The election coincided with other elections to the House of Representatives, elections to the United States Senate, and various state and local elections.

Republican primary Candidates Declared Greg Gianforte, incumbent U.S. representative

Primary results

Democratic primary Candidates Declared John Heenan, attorney Grant Kier, former executive director of the Five Valleys Land Trust Jared Pettinato, attorney Kathleen Williams, former state representative

Withdrew Lynda Moss, former state senator (but remained on the ballot)

Primary results

Libertarian primary Candidates Declared Elinor Swanson, attorney

General election Debates Complete video of debate, September 29, 2018 Complete video of debate, October 6, 2018

Predictions +SourceRankingAs ofThe Cook Political ReportNovember 5, 2018Inside Elections/Rothenberg Political ReportNovember 5, 2018Sabato's Crystal BallNovember 5, 2018

Endorsements

Polling

Poll source Date(s)administered Samplesize Marginof error GregGianforte (R) KathleenWilliams (D) ElinorSwanson (L) Other UndecidedChange Research (D)Change Research (D) November 2–4, 2018 879 – 52% 44% 2% – –Gravis MarketingGravis Marketing October 24–26, 2018 782 ± 3.5% 48% 48% – – 3%University of MontanaUniversity of Montana October 10–18, 2018 533 ± 4.3% 45% 46% 2% – 7%Montana State University BillingsMontana State University Billings October 8–13, 2018 471 ± 4.5% 44% 41% 3% – 12%Montana State University BozemanMontana State University Bozeman September 15 – October 6, 2018 2,079 ± 2.2% 48% 40% 2% 1% 9%Gravis MarketingGravis Marketing September 19–22, 2018 710 ± 3.7% 51% 42% – – 8%AARP/Benenson Strategy Group (D)AARP/Benenson Strategy Group (D) September 6–16, 2018 950 ± 3.1% 46% 45% – 1% 7%University of MontanaUniversity of Montana August 13–31, 2018 466 ± 4.5% 38% 51% 3% – 8%Gravis MarketingGravis Marketing June 11–13, 2018 469 ± 4.5% 43% 49% – – 8%

Results Gianforte defeated Kathleen Williams on November 6, 2018. Despite Williams's loss, she won the highest percent of the vote for any Democrat since Pat Williams (no relation) in 1994, making it the closest a Democrat has come to winning the house seat in Montana since 1994.

See also 2018 United States House of Representatives elections

References

External links Candidates at Vote Smart Candidates at Ballotpedia Campaign finance at FEC Campaign finance at OpenSecrets

Official campaign websites Greg Gianforte (R) for Congress Elinor Swanson (L) for Congress Kathleen Williams (D) for Congress