Montana has two congressional districts.
A state since 1889, it gained its second seat in the U.S. House for the 1912 election.
Both seats were at-large selections on the ballot (entire state) for three elections, until the two districts were established prior to the 1918 election.
List of members of the United States House delegation from Montana, district boundary maps, and the district political ratings according to the CPVI.
The delegation has a total of 2 members, both with the Republican party.