Montana state legislative election results, 2024
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The sections below contain analysis of election results in the state legislative elections for Montana in 2024.
General election results
Senate
- See also: Montana State Senate elections, 2024
| office | candidate | party | status |
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= candidate completed the Ballotpedia Candidate Connection survey.
House
| office | candidate | party | status |
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 Marty Malone Incumbent | Republican | Lost General | |
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 Lyn Hellegaard Incumbent | Republican | Lost General | |
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 Connie Keogh Incumbent | Democratic | Won General | |
Republican | Lost General | ||
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= candidate completed the Ballotpedia Candidate Connection survey.
Retiring incumbents
Senate
Seventeen incumbents did not file for re-election in 2024.[1] This was the highest number of retirements since Ballotpedia began tracking competitiveness statistics in 2010. Those incumbents were:
House
Thirty-three incumbents did not file for re-election in 2024.[3] This was the highest number of retirements since 2010, when 34 incumbents retired. Those incumbents were:
Primary election competitiveness
This section contains data on state legislative primary election competitiveness in Montana. These totals include data from all regularly-scheduled House and Senate elections. For more information about Ballotpedia's competitiveness analysis of state legislative elections, please click here.
Post-filing deadline analysis
The following analysis covers all state legislative districts up for election in Montana in 2024. Information below was calculated on May 31, 2024, and may differ from information shown in the table above due to candidate replacements and withdrawals after that time.
Montana had 60 contested state legislative primaries in 2024, a new high and an increase of 36% from the preceding cycle.
Fifteen of the 60 contested primaries were for Democrats, up 15% from 2022. Forty-five primaries were for Republicans, a 45% increase from 31 in 2022. The number of Montana state legislative incumbents who faced primary challenges was up 85% from 13 in 2022.
Twenty-four incumbents faced primaries in 2024, representing 32% of all incumbents who ran for re-election. This was a new high, and 2020 became the second highest with 23 incumbents in contested primaries. Of the 24 incumbents who faced primary challengers in 2024, two were Democrats and 22 were Republicans.
A total of 304 major party candidates filed to run—123 Democrats and 181 Republicans. All 100 House seats and half of the state’s 50 Senate seats were up for election. Fifty-two of those 125 seats were open, meaning no incumbents filed, and at least 42% of the state legislature would be made up of newcomers the next year. Seventeen percent of House incumbents were term-limited in 2024.
Senate
The table below shows the number and percentage of open seats in the Montana State Senate from 2010 to 2024.[4]
| Open Seats in Montana State Senate elections: 2010 - 2024 | |||
|---|---|---|---|
| Year | Total seats | Open seats | Seats with incumbents running for re-election |
| 2024 | 25 | 17 (68 percent) | 8 (32 percent) |
| 2022 | 25 | 13 (52 percent) | 12 (48 percent) |
| 2020 | 25 | 12 (48 percent) | 13 (52 percent) |
| 2018 | 25 | 8 (32 percent) | 17 (68 percent) |
| 2016 | 25 | 14 (56 percent) | 11 (44 percent) |
| 2014 | 25 | 11 (44 percent) | 14 (56 percent) |
| 2012 | 24 | 11 (46 percent) | 14 (54 percent) |
| 2010 | 26 | 16 (62 percent) | 10 (38 percent) |
House
The table below shows the number and percentage of open seats in the Montana House of Representatives from 2010 to 2024.[5]
| Open Seats in Montana House of Representatives elections: 2010 - 2024 | |||
|---|---|---|---|
| Year | Total seats | Open seats | Seats with incumbents running for re-election |
| 2024 | 100 | 33 (33 percent) | 67 (67 percent) |
| 2022 | 100 | 27 (27 percent) | 73 (73 percent) |
| 2020 | 100 | 30 (30 percent) | 70 (70 percent) |
| 2018 | 100 | 29 (29 percent) | 71 (71 percent) |
| 2016 | 100 | 31 (31 percent) | 69 (69 percent) |
| 2014 | 100 | 30 (30 percent) | 70 (70 percent) |
| 2012 | 100 | 31 (31 percent) | 69 (69 percent) |
| 2010 | 100 | 33 (33 percent) | 67 (67 percent) |
See also
- Elections
- Elections calendar
- Elections by state and year
- State Poll Opening and Closing Times
- State legislative elections, 2024
Footnotes
- ↑ Ballotpedia defines an incumbent as retiring if the incumbent did not file for office or filed for office but withdrew, was disqualified, or otherwise left a race in a manner other than losing the primary, primary runoff, or convention. If an incumbent runs as a write-in candidate, Ballotpedia does not consider them to be retiring. If an incumbent runs in the same chamber for a different seat, Ballotpedia does not consider them to be retiring.
- ↑ 2.0 2.1 2.2 2.3 Although this district was not on the ballot in 2024, because of the staggered terms in the Senate, its incumbent was eligible to run for re-election. For information, see this article by Daily Montanan.
- ↑ Ballotpedia defines an incumbent as retiring if the incumbent did not file for office or filed for office but withdrew, was disqualified, or otherwise left a race in a manner other than losing the primary, primary runoff, or convention. If an incumbent runs as a write-in candidate, Ballotpedia does not consider them to be retiring. If an incumbent runs in the same chamber for a different seat, Ballotpedia does not consider them to be retiring.
- ↑ Ballotpedia defines a seat as open if the incumbent did not file to run for re-election or filed but withdrew and did not appear on any ballot for his or her seat. If the incumbent withdrew from or did not participate in the primary but later chose to seek re-election to his or her seat as a third party or independent candidate, the seat would not be counted as open. If the incumbent retired or ran for a different seat in the same chamber, his or her original seat would be counted as open unless another incumbent from the same chamber filed to run for that seat, in which case it would not be counted as open due to the presence of an incumbent.
- ↑ Ballotpedia defines a seat as open if the incumbent did not file to run for re-election or filed but withdrew and did not appear on any ballot for his or her seat. If the incumbent withdrew from or did not participate in the primary but later chose to seek re-election to his or her seat as a third party or independent candidate, the seat would not be counted as open. If the incumbent retired or ran for a different seat in the same chamber, his or her original seat would be counted as open unless another incumbent from the same chamber filed to run for that seat, in which case it would not be counted as open due to the presence of an incumbent.
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