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.
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 (her father) in 1994, making it the closest a Democrat has come to winning the house seat in Montana since 1994.
Official campaign websites