Montana has one at-large congressional district. It is one of 7 states with a single representative in the U.S. House. The seat was won by a Republican in a special election during 2017. The race for the seat is expected to be somewhat competitive in 2018.
To create your own forecast for the midterms, visit the 2018 House Interactive Map.
(a)Source: Ballotpedia (for margins). The margin is the percentage difference between the top two vote-getters in 2016.
More recent results (i.e., special elections held in 2017-18 for vacancies) are not displayed. * Race was uncontested | ^Top two vote-getters were from the same party
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