Montana Senate / Montana House
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2020 Election Update
Heading into the 2020 election, Republicans controlled the Montana House 58 to 42. Democrats lost nine seats (HDs 3, 23, 24, 25, 26, 28, 50, 78, 96) for a net loss of nine seats. Republicans now control the chamber 67 to 33.
The below table shows 2020 and 2018 election results for the Montana House. The LDI scores are for the 2020 cycle. EveryDistrict will release new scores and district rankings after the redistricting process.
2018 Election Update
After the 2016 election, Republicans controlled the Montana State House 59-41. In the 2018 election, Democrats flipped three Republican-held seats and lost two Democratic-held seats for a net gain of one seat. Republicans now control the chamber 58-42.
Democrats flipped HD 25, HD 65, and HD 96. Democrats lost HD 21 and HD 93.
Understanding the Map
EveryDistrict’s Legislative District Index (LDI) is the gold standard of state legislative competitiveness. Our LDI ranks state legislative districts on a scale from 100 to -100, using statewide elections data. Districts with a score of 100 would vote for statewide Democratic candidates by an average of 100 points (with the Democratic candidate receiving 100% of the vote); districts with a score of -100 would vote for statewide Republican candidates by an average of 100 points (with the Republican candidate receiving 100% of the vote). For a more realistic example, a district with a score of 10 would vote for statewide Democratic candidates by an average of 10 points (meaning we would expect the Democratic state legislative candidate to win with 55% of the vote compared to the Republican winning 45% of the vote).
After the 2018 election, EveryDistrict reviewed and enhanced our LDI system, improving the accuracy of the metric with new methodologies and the most recent electoral data.
For more information about EveryDistrict’s LDI, please click here.